My publications can be found here:

Here is a link to my ORCID account:

List of Publications:


  1. SCHARTL, M., NANDA, I., SCHLUPP, I., PARZEFALL, J., SCHMID, M. and EPPLEN, J. T. (1990): Genetic variation in the clonal vertebrate Poecilia formosa is limited to few truly hypervariable loci. Fingerprint News 2(4), 22-24.


  1. SCHLUPP, I. (1991): Besiedlung eines Ersatzlaichgewässers mittels Lernen durch adulte Erdkröten, Bufo bufo. Seevögel, 12 (Sonderband 1), 101-103.
  2. SCHLUPP, I., PARZEFALL, J. and SCHARTL, M. (1991): Male mate choice in mixed bisexual/unisexual breeding complexes of Poecilia (Teleostei: Poeciliidae). Ethology, 88 (3), 215-222.
  3. SCHARTL, M., SCHLUPP, I., SCHARTL, A., MEYER, M. K., NANDA, I., SCHMID, M., EPPLEN, J. T. & PARZEFALL, J. (1991): On the stability of dispensable constituents of the eucariotic genome: Stability of coding sequences versus truly hypervariable sequences in a clonal vertebrate, the amazon molly, Poecilia formosa. Proc. Natl.Acad.Sci.USA., 88, 8759 – 8763.


  1. Schlupp, I., Parzefall, J., Epplen, J. T., Nanda, I., Schmid, M. & Schartl, M. (1992): Pseudomale behaviour and spontaneous masculinization in the all – female teleost Poecilia formosa (Teleostei: Poeciliidae). Behaviour, 122, 88 – 104.


  1. UIBLEIN, F., DURAND, J. SCHLUPP, I., JUBERTHIE, C., and PARZEFALL, J. (1993): Optomotor response in Proteus anguinus grafted with an eye of the epigean salamander Euproctus asper. Biospeol., 20, 265 – 267.


  1. SCHLUPP, I., MARLER, C. & RYAN, M. J. (1994): Benefit to Male Sailfin Mollies of Mating with Heterospecific Females. Science, 263, 373 – 374.
  2. schlupp, i. & Podloucky, R. (1994): Changes in breeding site fidelity: A combined study of conservation and behaviour in the Common Toad, Bufo bufo. Biological Conservation, 69, 285 – 291.


  1. NANDA, I., SCHARTL, M., FEICHTINGER, W., SCHLUPP, I., PARZEFALL, J. & SCHMID, M. (1995): Chromosomal evidence for laboratory synthesis of a triploid hybrid between the gynogenetic teleost Poecilia formosa and its host species. Fish Biol., 47, 619 – 623.
  2. SCHARTL, M., WILDE, B., SCHLUPP, I. & PARZEFALL, J. (1995): Evolutionary origin of a parthenoform, the Amazon molly, formosa, on the basis of a molecular genealogy. Evolution, 49, 827 – 835.
  3. SCHARTL, M., NANDA, I., SCHLUPP, I., WILDE, B., EPPLEN, J. T., SCHMID, M., & PARZEFALL, J. (1995): Incorporation of subgenomic amounts of DNA as compensation for mutational load in a gynogenetic fish. Nature 373, 68 – 71.


  1. SCHLUPP, I., PARZEFALL, J., EPPLEN, J. T. & SCHARTL, M. (1996): Limia vittata as host species for the Amazon Molly, Poecilia formosa: no evidence for sexual reproduction. Fish Biol. 48 (4), 792 – 795.
  2. SCHLUPP, I. & RYAN, M. J. (1996): Mixed species shoals and the maintenance of a sexual-asexual mating system in two species of mollies. Behav. 52, 885 – 890.


  1. SCHLUPP, I. & RYAN, M. J. (1997): Male Sailfin Mollies (Poecilia latipinna) copy the mate choice of other males. Behavioral Ecology 8, 104 – 107.
  2. ALTSCHMIED, J., HORNUNG, U., SCHLUPP, I. GADAU, J., KOLB, R. & SCHARTL, M. (1997): Rapid isolation of PCR – suited DNA laboratory and field work. BioTechniques 23, 228-229.
  3. SCHARTL, A., NANDA, I., WACKER, R., HORNUNG, U., MÜLLER- HERMELINK, H.-K., SCHLUPP, , PARZEFALL, J., SCHMID, M., & SCHARTL, M. (1997): Susceptibility to the development of pigment cell tumors in a clone of the Amazon Molly, Poecilia formosa, introduced through a microchromosome. Cancer Res. 57, 2993 – 3000.


  1. SCHLÜTER, A., PARZEFALL, J. & SCHLUPP, I. (1998): Female preference for symmetrical vertical bars in male Sailfin Mollies (Poecilia latipinna). Behav., 56, 147 – 153.
  2. SCHLUPP,I., NANDA,I., DÖBLER,M., LAMATSCH,D.K., EPPLEN,J.T., PARZEFALL,J., SCHMID,M. & SCHARTL,M. (1998): Dispensable and indispensable genes in the Amazon molly Poecilia formosa. Cytogenetics and Cell Genetics, 80, 193-198. (review paper)


  1. KÖRNER, K., LÜTJENS, O., PARZEFALL, J. & SCHLUPP, I. (1999): The role of experience in mate preferences of the unisexual Amazon molly. Behaviour, 136, 257 – 268.
  2. SCHLUPP, I., Waschulewski, M. & RYAN, M. J. (1999): Female preferences for naturally occurring novel male traits. Behaviour, 136, 519-527.
  3. LANDMANN,K., PARZEFALL,J., & SCHLUPP,I. (1999): A sexual preference in the Amazon molly, Poecilia formosa. Biol. Fishes, 56, 325-331.


  1. Oliveira,R.F., Rosenthal,G.G., Schlupp,I., McGregor,P.K., Cuthill,I., Endler,J.A., Fleishman,L., Zeil,J., Barata,E., Burford,F., GonÇalves,D., Haley,M., Jakobsson,S., Jennions,M., Körner,K.E., Lindström,L., Peake,T., Pilastro,A., Pope,D., Roberts,S., Rowe,C., Smith,J. & Waas,J. (2000): Considerations on the use of video-playback as visual stimuli: the Lisbon workshop consensus. Acta Ethologica 3, 61-65.
  2. GONÇALVES, D. M., OLIVEIRA, R. F., KÖRNER, K. E., POSCHADEL, J. & SCHLUPP, I. (2000): Using video playbacks to study visual communication in a marine fish, Salaria pavo. Animal Behaviour 60, 351-357.
  3. SCHLUPP, I. (2000): Are there lessons from negative results in studies using video playback? Acta Ethologica 3, 9-13.
  4. OLIVEIRA,R.F, MCGREGOR, K., SCHLUPP,I. & ROSENTHAL,G.G. (2000): Video playback techniques in behavioural research. Acta Ethologica 3, 1.


  1. Schlupp,I. McKnab,R.* & Ryan,M.J. (2001): Sexual harassment as a cost for sailfin molly females: bigger males cost less. Behaviour 138, 277-286.


  1. SCHLUPP,I., PARZEFALL,J. & SCHARTL,M. (2002): Biogeography of the Amazon molly, Poecilia formosa. Journal of Biogeography 29, 1-6.
  2. Witte,K. & Schlupp,I. (2002): An unusual foraging strategy in ducks (Aves: Anatidae). Texas Orn. Soc. 35 (1), 10-11.
  3. Niemeitz,A., Kreutzfeldt,R., Schartl,M., Parzefall,J. & Schlupp, I. (2002): Male mating behaviour of a molly, Poecilia latipunctata: a third host for the asexual Amazon molly. Acta Ethologica 5, 45-49.
  4. PLATH, M., KÖRNER, K.E., SCHLUPP, I. & PARZEFALL, J. (2002): Sex recognition and female preferences of Cave mollies Poecilia mexicana in light and darkness. Biospeol. 28, 163 – 167.


  1. GONÇALVES,D.M., OLIVEIRA,R.F., KÖRNER,K.E., & SCHLUPP,I. (2003): Intersexual copying by sneaker males of the peacock blenny. Animal Behaviour 65, 355-361.
  2. Plath,M., Parzefall,J. & Schlupp,I. (2003): The role of sexual harassment in cave and surface dwelling populations of the Atlantic molly, Poecilia mexicana (Poeciliidae, Teleostei). Behavioural Ecology and Sociobiology 54, 303-309.
  3. Plath, M., WIEDEMANN, K., PARZEFALL, J. & SCHLUPP, I. (2003): Sex recognition in surface and cave dwelling male Atlantic mollies Poecilia mexicana (Poeciliidae, Teleostei). Behaviour 140, 765 – 781.
  4. Plath, M., Körner, K.E., Parzefall, J., Schlupp, I. (2003): Persistence of a visually mediated mating preference in the Cave molly Poecilia mexicana (Poeciliidae, Teleostei). Subterran Biol 1, 93 – 97.


  1. Sachs-TERNES, W., JASCHKE, T. & SCHLUPP, I. (2004): Wanderaktivität und Mortalität von Amphibien vor und nach einer Straßensperrung: Erfahrungsbericht über den Erfolg einer Schutzmaßnahme. Natur und Landschaft 79/1, 26-30.
  2. Plath, M., Parzefall, J., Körner, K. E. & Schlupp, I. (2004): Sexual selection in darkness: Surface and cave dwelling Poecilia mexicana (Poeciliidae, Teleostei) females prefer the same male trait. Behavioural Ecology and Sociobiology 55, 596-601.
  3. Lamatsch, D.K., Nanda, I., Schlupp, I., Epplen, J.T., Schmid, M. & Schartl, M. (2004): Distribution and stability of supernumerary mircochromosomes in natural populations of the Amazon molly, Poecilia formosa. Cytogenetic and Genome Research 106, 189 – 194.
  4. Timmermann, M., Schlupp, i. & Plath, M. (2004): Evolution of shoaling behaviour in a cave dwelling barb, Garra barreimiae (Cyprinidae, Teleostei). Acta Ethologica 7, 59 – 64.
  5. Plath, M., Brümer, A. & Schlupp, I. (2004): Sexual harassment in a live-bearing fish (Poecilia mexicana): Influence of population-specific male mating behaviour. Acta Ethologica 7, 65 – 72.
  6. Plath, M., Arndt, M., Parzefall, J. & Schlupp, I. (2004): Size dependent male mating behaviour in the Cave molly, Poecilia mexicana (Poeciliidae, Teleostei). Subterranean Biology (2), 59-64.
  7. Plath, M., Tobler, M. & Schlupp, I. (2004): Cave fish looking for mates: a visual mating preference in surface and cave dwelling Atlantic mollies (Poecilia mexicana, Poeciliidae). Fischk. 7, 61-69.


  1. Plath, M., Heubel, K. U., Garcia de Leon, F. & Schlupp, I. (2005): Cave molly females like well fed males. Behavioural Ecology and Sociobiology. 58, 144-151.
  2. Plath, M., Körner, K., Möller, A. & Schlupp, I. (2005): Imperfect signal transmission and female mate choice in surface- and cave-dwelling Atlantic mollies mexicana. Subterranean Biology 3, 57 – 62.
  3. Tiedemann, R., MOLL, K., Paulus, K. B. & SCHLUPP, I. (2005): New microsatellite loci confirm hybrid origin, parthenogenetic inheritance, and mitotic gene conversion in the gynogenetic Amazon molly (Poecilia formosa). Ecol. Notes (5) 586-589.
  4. Tobler, M. & Schlupp, I. (2005): Parasites in sexual and asexual mollies (Poecilia, Poeciliidae, Teleostei): a case for the Red Queen? Letters (1) 166-168.
  5. Schlupp, I. & Plath, M. (2005): Male mate choice and sperm allocation in a sexual/asexual mating complex of Poecilia (Poeciliidae, Teleostei). Letters. (1) 169-171.
  6. Plath, M., Heubel, K. & Schlupp, I. (2005): Field observations on male mating behavior in surface- and cave-dwelling Atlantic mollies (Poecilia mexicana, Poeciliidae) Fischkd. (7) 113 – 119.
  7. Tobler, M, Wahli, T & Schlupp, I. (2005): Comparison of parasite communities in sympatric and allopatric populations of sexual and asexual mollies of the genus Poecilia (Poeciliidae, Teleostei). Fish Biol. (67) 1072 – 1082.
  8. Schlupp, I. (2005): The Evolutionary Ecology of Gynogenesis. Annual Reviews of Ecology Evolution and Systematics (36) 399 – 417.


  1. Riesch, R., Schlupp, I. & Plath, M. (2006): Influence of male competition on male mating behaviour in the cave molly, Poecilia mexicana. Ethology 24, 27-31.
  2. Heubel,K., & Schlupp, I. (2006): Turbidity affects association behavior in male Sailfin mollies (Poecilia latipinna). of Fish Biol. 68, 555 – 568.
  3. Plath, M., Rohde, M., Schröder, T., Taebel-Hellwig, A. & Schlupp, I. (2006): Evolution of a female mating preference in blind cave tetras, Astyanax mexicanus (Characidae, Teleostei). Behaviour (143) 15 – 32.
  4. Plath, M., Brümmer, M., Parzefall, J. & Schlupp, I. (2006): Size-dependent male mating behaviour and sexual harassment in a population of Atlantic mollies (Poecilia mexicana) from a sulphur creek. Acta Ethologica. (9) 15 – 21.
  5. Plath, M., Seggel, U., Burmeister, H., Heubel, K. & Schlupp, I. (2006): Choosy males from the underground: Male mating preferences in surface- and cave-dwelling Atlantic mollies (Poecilia mexicana). Naturwissenschaften (93) 103 – 109.
  6. Tobler, M., Plath, M., Burmeister, H. & Schlupp, I. (2006): Black spots and female association preferences in a sexual/asexual mating complex (Poecilia, Poeciliidae, Teleostei). Behavioural Ecology & Sociobiology (60) 159 – 165.
  7. KÖRNER, K. E., SCHLUPP, I., PLATH, M. & LOEW, E.R. (2006): Spectral sensitivity of surface and cave dwelling mollies, Poecilia mexicana. Fish Biol. (69) 54-65.
  8. Schlupp, I., poschadel, j., tobler, m. & plath, M. (2006) Male size polymorphism and testis weight in two species of mollies (Poecilia latipinna, mexicana, Poeciliidae, Teleostei). Z. Fischkunde (8) 9 – 16.
  9. Tobler, M., Schlupp, I., Heubel, K.U., Garcia de Leon, F. J., Giere, O. & Plath, M. (2006): Life on the edge: Hydrogen sulfide and fish communities of a Mexican Cave and surrounding waters. Extremophiles (10) 577-585.
  10. RIESCH, R., SCHLUPP, I., TOBLER, M. & PLATH, M. (2006): Reduction of the association preference for conspecifics in cave-dwelling Atlantic mollies, Poecilia mexicana. Behavioural Ecology & Sociobiology (60) 794-802.
  11. Tobler, M., Burmeister, H., Schlupp, I. & Plath, M. (2006): Reduction of visually mediated association preference in the Cave molly (Poecilia mexicana, Poeciliidae, Teleostei). Subterranean Biology (4) 59-65.


  1. Plath, M., Hauswaldt, S., Moll, K., Tobler, M., García de León, F., Schlupp, I., & Tiedemann, R. (2007): Local adaptation and pronounced genetic differentiation in an extremophile fish, Poecilia mexicana, from a Mexican cave with toxic hydrogen sulfide. Molecular Ecology (16) 967 – 976.
  2. Tobler M, Schlupp I, García de León FJ, Glaubrecht M, & Plath M (2007): Extreme habitats as refuge from parasite infections? Evidence from an extremophile fish. Acta Oecologica (31) 270 – 275.
  3. Plath, M., Makowicz, A.M.*, Schlupp, I., & Tobler, M. (2007): Sexual harassment in livebearing fishes (Poeciliidae): comparing courting and non-courting species. Behavioral Ecology (18) 680-688.
  4. Plath, M., Tobler, M., Riesch, R., Giere, O., García de León, F., Schlupp I. (2007): Survival in an extreme habitat: the roles of behaviour and energy limitation. Naturwissenschaften (94), 991 – 996.
  5. Tobler, M, Schlupp, I., & Plath, M. (2007): Predation of a cavefish (Poecilia mexicana, Poeciliidae) by a giant water bug (Belostoma, Belostomatidae) in a Mexican sulfur cave. Ecological Entomology (32) 492-49.
  6. Plath, M. Riesch, R., Schlupp, I. Parzefall, J. (2007): Female choice for large body size in the cave molly, Poecilia mexicana (Poeciliidae, Teleostei): Influence of sex- and species-specific cues. Behaviour (144), 1147 – 1160.
  7. Nanda, I., Schlupp, I., Lamatsch, D., Schmid, M., & SchartL, M. (2007): Stable inheritance of host species-derived microchromosomes in the gynogenetic fish, Poecilia formosa. Genetics (177) 917 – 926.
  8. Tobler, M., Riesch, R., García de León, F.J, Schlupp I, & Plath M (2007): A new and morphologically distinct population of the cavernicolous Poecilia mexicana (Poeciliidae: Teleostei) Environmental Biology of Fishes (82) 101 – 108.
  9. Plath M, Schlupp I, Parzefall J & Riesch R (2007): Female choice for large body size in the cave molly, Poecilia mexicana (Poeciliidae, Teleostei): Influence of species- and sex-specific cues Behaviour (144) 1147 – 1160.


  1. Franssen, C., Tobler, M., Riesch, R., García de León, F.J., Tiedemann, R., Schlupp, I. & Plath, M. (2008): Sperm production in an extremophile fish, the cave molly (Poecilia mexicana, Poeciliidae, Teleostei). Aquatic Ecology (42) 685 – 692.
  2. Tobler, M. & Schlupp, I. (2008): Influence of black spot disease on shoaling behaviour in female Western mosquitofish, Gambusia affinis (Poeciliidae, Teleostei). Environmental Biology of Fishes (81) 29 – 34.
  3. Plath, M., Blum, D., Schlupp, I. & Tiedemann, R. (2008): Audience effect alters mating preferences in a livebearing fish, the Atlantic molly (Poecilia mexicana). Animal Behaviour (75) 21 – 29.
  4. Tobler, M., Schlupp, I., Riesch, R., García de León, F.J., & Plath, M. (2008): Two endemic and endangered fishes, Poecilia sulphuraria and Gambusia eurystoma (Poeciliidae, Teleostei) as only survivors in a small sulfidic habitat. Journal of Fish Biology (72) 523 – 533.
  5. Hubbs, C., & Schlupp, I. (2008): Juvenile survival in a unisexual/sexual complex of mollies. Environmental Biology of Fishes (83) 327-330.
  6. Tobler, M. & Schlupp, I. (2008): Expanding the horizon: The Red Queen and potential alternatives. J. Zoology (86) 765-773.
  7. Riesch, R., Plath, M. & Schlupp, I. (2008): Female sperm-limitation in natural populations of a sexual/asexual mating-complex (Poecilia latipinna, formosa) Biology Letters (4) 266 -269.
  8. Plath, M., Blum, D., Tiedemann, R. & Schlupp, I. (2008): A visual audience effect in a cave fish. Behaviour (145) 931 – 947.
  9. HEUBEL, K.U., HORNHARDT, K., OLLMANN, T., PARZEFALL, J., RYAN, M.J. & SCHLUPP, I (2008): Geographic variation in female mate-copying in the species complex of a unisexual fish, Poecilia formosa. Behaviour (145) 1041 – 1064.
  10. Lamatsch, D.K., Lampert, K. P., Fischer, P., Geiger, M., Schlupp, I., & Schartl, M. (2009): Diploid Amazon mollies (Poecilia formosa) show a higher fitness than triploids in clonal competition experiments. Evolutionary Ecology (23) 687 – 697.
  11. Tobler, M., DeWitt, T. J., Schlupp, I., Garcia de Léon, F. G., Herrmann, R., Feulner, P. G. D., Tiedemann, R. & Plath, M. (2008) Toxic hydrogen sulfide and dark caves: Phenotypic and genetic divergence across two environmental gradients Poecilia mexicana. Evolution 62 (10) 2643 – 2659.
  12. Tobler, M., Schlupp, I. & Plath, M. (2008): Does divergence in female mate choice affect male size distributions in two cave fish populations? Biology Letters 4, 452 – 454.
  13. Plath, M., Richter, S., Tiedemann, R., & Schlupp, I. (2008) Male Fish deceive Competitors about Mating Preferences. Current Biology (18) 1138 – 1141.
  14. HEUBEL, K. U. & SCHLUPP, I. (2008): Seasonal plasticity in male mating preferences in sailfin mollies. Behavioral Ecology (19) 1080 – 1086.
  15. Schaschl, H., Tobler, M., Plath, M., Penn, D. J., & Schlupp, I. (2008): Polymorphic MHC loci in an asexual fish, the Amazon molly (Poecilia formosa; Poeciliidae). Molecular Ecology (17) 5220 – 5230.
  16. Plath M. & Schlupp I (2008): Misleading mollies. Communicative & Integrative Biology (1:2) 1-5.
  17. Plath M. & Schlupp I (2008): Parallel evolution leads to reduced shoaling behavior in two cave populations of Atlantic mollies (Poecilia mexicana, Poeciliidae, Teleostei). Environmental Biology of Fishes (82) 289 – 297.


  1. Poschadel, J.R., Plath, M. & Schlupp, I. (2009): Divergent female mating preference in a clonal fish. Acta Ethologica (12) 55 – 60.
  2. Riesch, R., TobleR, M., PlatH, M., SchlupP, I. (2009): Offspring number in a livebearing fish (Poecilia mexicana, Poeciliidae): reduced fecundity and plasticity in a population of cave mollies. Environmental Biology of Fishes, (84) 89 – 94.
  3. Tobler, M. & Schlupp, I. (2009): Threatened fishes of the world: Poecilia latipunctata Meek, 1904 (Poeciliidae). Environmental Biology of Fishes, (85) 31 – 32.
  4. Fischer, C. & Schlupp, I. (2009): Differences in thermal tolerance in sexual and asexual mollies (Poecilia, Poeciliidae, Teleostei) Journal of Fish Biology (74) 1662 – 1668.
  5. Fischer, C. & Schlupp, I. (2009): Predation as a potential mechanism allowing asexual mollies to invade sexual mollies Proceedings of the Oklahoma Academy of Sciences (88) 1 – 8.
  6. Schlupp, I. (2009): Behaviour of fishes in the sexual/unisexual mating system of the Amazon molly (Poecilia formosa). Advances in the Study of Behavior (39) 153 – 183.


  1. Riesch, R., Plath, M., García de León, F.G. & Schlupp, (2010): Convergent life-history shifts: toxic environments result in big babies in two clades of poeciliids. Naturwissenschaften (97) 133 – 141.
  2. Tobler, M. & Schlupp, I. (2010): Differential susceptibility to food stress in neonates of sexual and asexual mollies (Poecilia, Poeciliidae). Evolutionary Ecology (24) 39 – 47.
  3. Schlupp, I., Taebel-Hellwig, A. & Tobler, M. (2010): Equal fecundity in asexual and sexual mollies (Poecilia). Environmental Biology of Fishes (88) 201 – 206.
  4. Schlupp, I. (2010): Mate choice and the Amazon molly: how sexuality and unisexuality can coexist. Heredity (101 Supplement) S55 – S61.
  5. Riesch, R., Plath, M. & Schlupp, I. (2010): Toxic hydrogen sulfide and dark caves: life history adaptations to extreme environments in a livebearing fish (Poecilia mexicana, Poeciliidae). Ecology (91) 1491 – 1505.
  6. Plath, M., Richter, S., Schlupp, I. & Tiedemann, R. (2010): Misleading mollies: surface– but not cave–dwelling Poecilia mexicana males deceive competitors about mating preferences. Acta Ethologica (13) 49 – 56.
  7. Riesch, R., Plath, M., Schlupp, & Marsh – Matthews, E. (2010): Matrotrophy in the cave molly: an unexpected provisioning strategy in an extreme environment. Evolutionary Ecology (24) 789 – 801.
  8. Costa, G. C. & Schlupp, I. (2010): Biogeography of the Amazon molly: ecological niche and range limits of an asexual hybrid species. Global Ecology and Biogeography (19) 442 – 451.
  9. Schlupp, I., Tobler, M., Plath, M., Riesch, R., Parzefall, J. & Schartl, M. (2010): A novel, sexually selected trait in poeciliid fishes: Female preference for mustache-like, rostral filaments in male Poecilia sphenops. Behavioral Ecology & Sociobiology (64) 1849 – 1855.
  10. Plath, M., Hermann, B., Schröder, C., Riesch, R., Tobler, M., García de León, F.J., Schlupp, I. & Tiedemann, R. (2010): Locally adapted fish populations maintain small- scale genetic differentiation despite perturbation by a catastrophic flood event. BMC Evolution (10) 256.
  11. Makowicz, A., Plath, M. & Schlupp, I. (2010): Using video playback to study the effect of an audience on male mating behavior in the Sailfin molly (Poecilia latipinna). Behavioural Processes (85) 36 – 41.
  12. Riesch, R., Oranth, A.*, Dzienko, J.*, Karau, N.*, Schießl, A.*, Stadler, S., Wigh, A.*, Zimmer, C.*, Arias–Rodriguez, L., Schlupp, I. & Plath, M. (2010): Extreme habitats are not refuges: poeciliids suffer from increased aerial predation risk in sulfidic, southern Mexican habitats. J. Linn. Soc. (101) 417 – 426.
  13. Fischer, C. & Schlupp, I. (2010): Feeding rates in the sailfin molly and its coexisting sexual parasite, the gynogenetic Amazon molly. Journal of Fish Biology (77) 285 – 291.
  14. Stöck, M., Lampert, K. P., Möller, D., Schlupp, I., & Schartl, M. (2010): Monophyletic origin of multiple clonal lineages in an asexual fish (Poecilia formosa). Evol. Ecol. (19) 5204 – 5215.
  15. Lamatsch, D., Stöck, M., Fuchs, R., Döbler, M., Wacker, R., Parzefall, J., Schlupp, I. & Schartl, M. (2010): Morphology, testes development and behaviour of unusual triploid males in microchromosome-carrying clones of Poecilia formosa. Journal of Fish Biology (77) 1459 – 1487.
  16. Makowicz, A., Plath, M. & Schlupp, I. (2010): Male guppies (Poecilia reticulata) adjust their mate choice behaviour to the presence of an audience. Behaviour (147) 1657 – 1674.
  17. Plath, M., Riesch, R., Oranth, A.*, Dzienko, J.*, Karau, N.*, Schießl, A.*, Stadler, S.*, Wigh, A.*, Zimmer, C.*, Arias-Rodriguez, L., Schlupp, I., Tobler, M. (2010): Complementary effect of natural and sexual selection against immigrants maintains differentiation between locally adapted fish. Naturwissenschaften (97) 769 -774.


  1. Riesch, R., Plath, M. & Schlupp, I. (2011): Toxic hydrogen sulphide and dark caves: pronounced male life-history divergence among locally adapted Poecilia mexicana (Poeciliidae). Journal of Evolutionary Biology (24) 596 – 606.
  2. Bierbach, D., Girndt, A., Hamfler, S., Klein, M., Müksch, F., Penshorn, M., Schwinn, M., Zimmer, C., Schlupp, I., Streit, B. & Plath, M. (2011): Male fish use prior knowledge about rivals to adjust their mate choice. Biology Letters (7), 349–351.
  3. McCoy, E.*, Syska, N.*, Plath, M., Schlupp, I. & Riesch, R. (2011): Mustached males in a tropical poeciliid fish: emerging female preference selects for a novel male trait. Behavioral Ecology and Sociobiology (65) 1437 – 1445.
  4. Riesch, R., Colston, T.J., Joachim, B.L., Schlupp, I. (2011): Natural history and life history of the Grijalva gambusia Heterophallus milleri Radda, 1987 (Teleostei: Poeciliidae). Aqua, International Journal of Ichthyology (17) 95 – 102.
  5. Riesch, R., Plath, M., Schlupp, I. (2011): Speciation in caves: experimental evidence that permanent darkness promotes reproductive isolation. Ecology Letters (7) 909 – 912.
  6. FISCHER, C. & SCHLUPP, I. (2010): Food selection in the sailfin molly and its coexisting sexual parasite, the gynogenetic Amazon molly. Bulletin of Fish Biology (12) 65 – 69.
  7. Carnes, B. C., Riesch, R. & Schlupp, I. (2011): The delayed impact of parental age on offspring mortality in mice. Journal of Gerontology: Biological Sciences (67A), 358-365.
  8. Hinz, C. & Schlupp, I. (2011): Possible effects of sperm limitation on the reproductive success of the Amazon molly, Poecilia formosa (Poeciliidae). Bulletin of Fish Biology, (12) 57-63.
  9. Tobler, M., Schlupp, I. & Plath, M. (2011): Costly interactions between the sexes: combined effects of male sexual harassment and female choice? Behavioral Ecology (22), 723-729.
  10. Riesch, R., Schlupp, I., Langerhans, R.B. & Plath, M. (2011): Shared and unique patterns of embryo development in extremophile Poeciliids. PLoS ONE 6(11): e27377.doi:10.1371/journal.pone.0027377
  11. Riesch, R., Schlupp, I., Schleucher, E., Hildenbrand, P., Köhler, A., Arias–Rodriguez, L., Plath, M. (2011): Reduced starvation resistance and increased metabolic rates in an unusual cave organism: the cave molly (Poecilia mexicana, Poeciliidae). Bulletin of Fish Biology (13) 41 – 56.


  1. Girndt, A., Riesch, R., Schröder, C., Schlupp, I., Plath, M. & Tiedemann, R. (2012): Multiple paternity in different populations of the sailfin molly, Poecilia latipinna. Animal Biology (62) 245 – 262.
  2. Riesch, R., Plath, M. & Schlupp, I. (2012): The offspring size/fecundity trade-off and female fitness in the Atlantic molly (Poecilia mexicana, Poeciliidae). Environmental Biology of Fishes (94) 457-463.
  3. Gillette, D.P., Fortner, A. M., Franssen, N. R., Cartwright, S., Tobler, C.M., Wesner, J.F., Reneau, P.C., Reneau, F.R., Schlupp, I., Marsh-Matthews, E.C., Matthews, W.C., Broughton, R.E. & Lee, C. (2012): Patterns of change over time in darter (Teleostei: Percidae) assemblages of the Arkansas River basin, northeastern Oklahoma, USA. Ecography (35) 855-864.
  4. Rhodes, S. & Schlupp, I. (2012): Rapid and socially induced change of a badge of status. Journal of Fish Biology (80), 722 – 727.
  5. Bierbach, D., Klein, M., Sassmannshausen, V., Schlupp, I., Riesch, R., Parzefall, J. & Plath, M. (2012): Divergent Evolution of Male Aggressive Behaviour: Another Reproductive Isolation Barrier in Extremophile Poeciliid Fishes? International Journal of Evolutionary Biology (2012). doi:10.1155/2012/148745
  6. Riesch, R., Plath, M., Makowicz, A., Plath, M. & Schlupp, I. (2012): Behavioural and life-history regulation in a unisexual/bisexual mating system: does male mate choice affect female reproductive life histories? J. Lin. Soc. (106) 598 – 606.
  7. Joachim, B. L., & Schlupp, I. (2012): Mating Preferences of Amazon Mollies (Poecilia formosa) in Multi-Host Populations. Behaviour (149) 233 – 249.
  8. Woehrer, M., Hougen, D. & Schlupp, I. (2012): Sexual Selection, Resource Distribution, and Population Size in Synthetic Sympatric Speciation. Proceedings of the Thirteenth International Conference on the Synthesis and Simulation of Living Systems (Artificial Life 13) 137-144.
  9. Bierbach, D., Ziege, M., Zimmer, C. Riesch, R., Schlupp, I., Arias-Rodriguez, L. & Plath, M. (2012): Male Grijalva mosquitofish (Heterophallus milleri Radda, 1987) increase individual mating preferences in front of an audience. Aqua (18) 199 – 208.
  10. Carnes, B. & Schlupp, I. (2012): The societal consequences of delayed reproduction. The Gerontologist 52 (6) 237 (abstract).


  1. Woehrer, M., Hougen, D. F., Schlupp, I. & Eskridge, B. E. (2013): Robot-to-Robot Nurturing: A Call to the Research Community.   Proceedings of the Second Joint IEEE International Conference on Development and Learning / Epigenetic Robotics Conference, 2 pages, unnumbered, November 2012.
  2. Schlupp, I., Colston, T., Joachim, B. & Riesch, R. (2013): Translocation of Cave fish (Poecilia mexicana) within and between natural habitats along a toxicity gradient. Ecology of Freshwater Fishes (22) 228-233.
  3. MAKOWICZ, A. & SCHLUPP, I. (2013): The direct costs of living in a sexual harassing environment. Animal Behaviour (85) 569-577.
  4. Bierbach, D., Makowicz, A. M., Schlupp, I., Geupel, H., Streit, B., Plath, M. (2013): Casanovas are liars: Behavioral syndromes, sperm competition risk, and the evolution of deceptive male mating behavior in livebearing fishes. F1000 Research 05 Mar 2013, 2:75 (doi: 10.3410/f1000research.2-75.v1).
  5. Rüschenbaum, S. & Schlupp, I. (2013): Non-visual mate choice ability in a Cavefish (Poecilia mexicana) is not mechanosensory. Ethology (119) 1-9.
  6. Arriaga, L. & Schlupp, I. (2013): Poeciliid male mate preference is influenced by female size but not by fecundity. PeerJ DOI 7717/peerj.140.
  7. Eskridge, B.E., Valle, E.* & Schlupp, I. (2013): Using Experience To Promote The Emergence Of Leaders And Followers. European Conference on Complex Systems, 2013. (Poster) (Extended Abstract and Poster).
  8. Eskridge, B.E., Valle, E.* & Schlupp, I. (2013): Bystander Effects In A Single-Player, Anonymous Contest. European Conference on Complex Systems, 2013. (Poster) (Extended Abstract and Poster).
  9. Eskridge, B.E., Jordan, B.* & Schlupp, I. (2013): Effects of Conflict on Collective Movement Decision-Making. European Conference on Complex Systems, 2013. (Oral presentation) (Extended Abstract).
  10. Joachim, B., Riesch, R., Jeffery, W. & Schlupp, I. (2013): Pigment cell retention in cavernicolous populations of Poecilia mexicana (Poeciliidae). Bulletin of Fish Biology (14) 61 – 73.
  11. Schlupp, I., Lamatsch, D., Teege, K., & Parzefall, J. (2013): Food finding ability in several molly species (Poecilia ), including the unisexual Amazon molly. Bulletin of Fish Biology (14) 75-81.


  1. Riesch, R., Plath, M., Schlupp, I, Tobler, M. & Langerhans, R.B. (2014): Colonization of toxic environments drives predictable life-history evolution in livebearing fishes (Poeciliidae). Ecology Letters (17) 65-71.
  2. Schedina, I.-M., Hartmann, S., Groth, D., Schlupp, I. & Tiedemann, R. (2014): Comparative transcriptomics of the all-female species Poecilia formosa and its maternal ancestor Poecilia mexicana. BMC Research Notes (7) 214. (Editors Pick)
  3. Tobler, M., Plath, M., Riesch, R. Schlupp, I., Grasse, A., Munimanda, G.K., Setzer, C., Penn, D.J., Moodley, Y. (2014): Selection from parasites favors immunogenetic diversity but not divergence among locally adapted host populations. Journal of Evolutionary Biology (27) 960 – 974.
  4. Eskridge, B.E. & Schlupp, I., (2014): Effects of of Personality Distribution on Collective Behavior. International Conference on the Simulation and Synthesis of Living Things 908–915.
  5. Acre, J.*, Eskridge, B.E., Zoller, N.*, Schlupp, I. (2014): Adapting to a changing environment using winner and loser effects. Genetic and Evolutionary Computation Conference. ACM Press, 137 – 144.
  6. Solum, T.*, Eskridge, B.E. & Schlupp, I., (2014): Consensus Costs and Conflict in Robot Swarms. Student Workshop at the Genetic and Evolutionary Computation Conference. ACM Press, 1065–1068.
  7. Solum, T.*, Eskridge, B.E. & Schlupp, I., (2014): Consensus Costs and Conflict in a Collective Movement. Genetic and Evolutionary Computation Conference. ACM Press, 49–56.


  1. Eskridge, B.E., Valle, E.* & Schlupp, I. (2015): Emergence of Leadership within a Homogeneous Group. PLoS one DOI:10.1371/journal.pone.0134222.
  2. Makowicz, A. & Schlupp, I. (2015): Effects of Female-Female Aggression in a Sexual/Unisexual Species Complex. Ethology (121) 903 – 914.


  1. Makowicz, A., Tanner, J.C.*, Dumas, E*. Siler, C.D., & Schlupp, I. (2016): Pre-existing biases for swords in mollies (Poecilia). Behavioral Ecology (27) 175 – 184.
  2. RIESCH, R., REZNICK, D.N., PLATH, M. & SCHLUPP, I. (2016): Sex-specific local life-history adaptation in surface- and cave-dwelling Atlantic mollies (Poecilia mexicana). Scientific Reports (doi:10.1038/srep22968). (
  3. Zhu, F., Schlupp, I. & Tiedemann, R. (2016): Sequence Evolution and Expression of the Androgen Receptor and Other Pathway- Related Genes in a Unisexual Fish, the Amazon Molly, Poecilia formosa, and Its Bisexual Ancestors. PLoS One (
  4. Makowicz, A.M., Tiedemann, R., Steele, R.N.*, Schlupp, I. (2016): Kin Recognition in a Clonal Fish, Poecilia formosa. PLoS One (


  1. TRACHTENBERG, Z., BURNS, T.J, DEBEURS, K., ELLIS, S.E., GATES, K.K., HOAGLAND, B.W., KELLY, J.F., NEESON, T.M., RANDALL, A.R.,SCHLUPP, I., SOPPELPA, P.S., SOREGHAN, G.S., ZEIGLER, J.J. (2017) The Anthropocene Biosphere: Supporting “Open Interdisciplinarity” through Blogging. Trends in Ecology & Evolution(32) 1-3.
  2. ESKRIDGE, B. & SCHLUPP, I. (2017): Effects of Local Communication and Spatial Position in a Collective Decision-Making Model. ECAL 17.
  3. HARDY, E., BUMM, L., SCHLUPP, I. (2017): Social function of a variable lateral stripe in Xiphophorus hellerii? Ethology, (123) 875 – 884.
  4. ZHU, F., SCHLUPP, I.& TIEDEMANN, R. (2017): Allele-specific expression at the androgen receptor alpha gene in a hybrid unisexual fish, the Amazon molly (Poecilia formosa). PLoS One
  5. MAKOWICZ, A.M., MUTHURAJAH, D.S. & SCHLUPP, I. (2017): Host species of a sexual-parasite do not differentiate between clones of Amazon mollies. Behavioral Ecology, (29) 387-392.(
  6. TRACHTENBERG, Z., CASTRO, A. J., GATES, K., RANDALL, A., SCHLUPP, I., SOREGHAN, L., THERIAULT, N. & WIETERS, M. (2017): (Inter)facing the Anthropocene: Representing an Interdisciplinary Interaction. Resilience: A Journal of the Environmental Humanities (5) 18 – 38.


  1. SCHEDINA, I.-M., GROTH, D., SCHLUPP, I. & TIEDEMANN, R. (2018): The gonadal transcriptome of the unisexual Amazon molly Poecilia formosa in comparison to its sexual ancestors, Poecilia mexicana and Poecilia latipinna. BMC Genomics 19:12.(
  2. VARELA, S., MATOS, M. & SCHLUPP, I. (2018): The role of mate-choice copying in speciation and hybridization. Biol. Rev.
  3. SCHLUPP, I. (2018): Male mate choice in Livebearing fishes: an overview. Current Zoology (64) 393 – 403.
  4. SCHLUPP, I. (2018): Male mate choice, female competition, and female ornaments as components of sexual selection. Current Zoology (64) 321 – 322. (Invited editorial).
  5. MAKOWICZ, A.M., MOORE, T., SCHLUPP, I. (2018): Clonal fish are more aggressive to distant relatives in a low resource environment. Behaviour (155) 351 – 367. 1163/1568539X-00003494.
  6. SCHERER, U., TIEDEMANN, R. & SCHLUPP, I. (2018): Male size, not female preferences influence female reproductive success in a poeciliid fish (Poecilia latipinna): a combined behavioural/genetic approach. BMC Research Notes 11: 364.


  1. Garcia de León, F., Schlupp, I., Plath, M., Riesch, R. & Tobler, M. (2019) Especiación ecológia y origen de nueva especies en el complejo Poecilia mexicana basado en estudios de genética. La biodiversidad de Tabasco. CONABIO 425 – 431.


  1. MAKOWICZ, A.M., MURRAY, L*. & SCHLUPP, I. (2020) Size, species, and audience type influence heterospecific female-female competition. Animal Behaviour (159) 47 – 58.
  2. RODRIGUEZ-SILVA, R., TORRES PINEDA, P.*, RODRÍGUEZ C.M. & SCHLUPP, I. (2020) Distribution range extension of Yaguayal Limia, Limia yaguayali (Teleostei: Poeciliidae) from north of the Dominican Republic. Novitates Caribaea 15 127 – 133.
  3. COSTA, G. & SCHLUPP, I. (2020) Placing the hybrid origin of the asexual Amazon molly (Poecilia formosa) based on historical climate data. J. Linnean Soc. (129) 1 – 9.


  1. RODRIGUEZ-SILVA, R., JOSAPHAT, J., TORRES PINEDA, P.* & SCHLUPP, I. (2021) Annotated list of livebearing fishes (Cyprinodontiformes: Poeciliidae) from Lake Miragoane in southwestern Haiti. Novitates Caribaea (17) 147-162.
  2. SPIKES, M. & SCHLUPP, I. (2021) Males can’t afford to be choosy: male reproductive investment does not influence preference for female size in Limia (Poeciliidae). Behavioural Processes (183).
  3. RODRIGUEZ-SILVA, R. & SCHLUPP, I. (2021) Biogeography of the West Indies: a complex scenario for species radiations in terrestrial and aquatic habitats. Ecology and Evolution.
  4. RIESCH, R., MAKOWICZ, A., JOACHIM, B., GARCÍA-DE LEÓN, F.J. & SCHLUPP, I. (2021) Life history of the Tamesí molly, Poecilia latipunctata, from two populations in the Río Tamesí drainage in northeastern México. Revista Mexicana de Biodiversidad, 92, e923107.


MAKOWICZ, A., TIEDEMANN, R., STEELE, R.N.* & SCHLUPP, I. Kin Recognition in a Clonal Fish, Poecilia formosa. (biorxiv) doi:

MAKOWICZ, A., MOORE, T.* & SCHLUPP, I.: Female-female aggression in a sexual/unisexual species complex over resources. (biorxiv) doi:

SPIKES, M., RODRIGUEZ-SILVA, R., BENNETT, K-A., BRÄGER, S., JAMES JOSAPHAT, J. TORRES PINEDA, P. ERNST, A., KATJA HAVENSTEIN, K., SCHLUPP, I., & TIEDEMANN, R. Another adaptive radiation in the Caribbean? A phylogeny of the genus Limia (Teleostei: Poeciliidae) (ResearchSquare) doi: 10.21203/

RODRIGUEZ-SILVA, R. & SCHLUPP, I. Testing Janzen’s mountain passes theory through analyses of thermal breadth in livebearing fishes of the genus Limia (Teleostei, Poeciliidae) in the Antilles (BioRxiv). doi:

BURRIDGE, S., SCHLUPP, I. & MAKOWICZ, A. Male attention allocation depends on social context (BioRX).

Other papers

  1. SCHLUPP,I., KIETZ,M., PODLOUCKY,R. & STOLZ,F.M. (1989): Pilot projekt Braken: preliminary results from the resettlement of adult toads to a substitute breeding site. In: LANGTON,T.E.S. (Ed.): Amphibians and Roads, Proceedings of the Toad Tunnel Conference, Rendsburg (FRG), 7.-8. January 1989. ACO Polymer Products Ltd., Shefford, England, 127-133.
  2. SCHLUPP,I., PODLOUCKY,R., KIETZ,M. & STOLZ,F.M. (1990): Pilotprojekt “Braken”: Erste Ergebnisse zur Neubesiedlung eines Ersatzlaichgewässers durch adulte Erdkröten (Bufo bufo L.). Informationsdienst Naturschutz Niedersachsen 10(1), 12-18.
  3. DÖBLER,M., SCHLUPP,I. & PARZEFALL,J. (1997): Changes in mate choice with spontaneous masculinisation in P. formosa. Abstract Advances in Ethology 32, p204.
  4. Plath, M., Tobler, M., Riesch, R., García de León, F. & Schlupp, I. (2006): Evolutionary biology meets the Cueva Villa Luz: Ichthyological research in a sulfidic cave in Tabasco. AMCS Newsletter 69, 64-68.
  5. Plath, M., Tobler, M., Riesch, R., García de León, F. & Schlupp, I. (2006): Evolutionsbiologische Forschung an einem „extremophilen“ Höhlenfisch aus einer Schwefelhöhle in Tabasco, Mexiko. Hessisches Höhlenblatt.
  6. Schlupp, I., Riesch, R. & Tobler, M. (2007): The Amazon molly (Poecilia formosa) (Quick Guide). Current Biology 17, 536-537.
  7. Schlupp, I. (2013): Stillstand ist Rückschritt. Invited commentary for Portal Wissen 2013 – 1, 63.

Book chapters

  1. Schlupp,I. (1997): Warum kopulieren Männchen bisexueller Poecilia – Arten mit den Weibchen des Amazonenkärpflings (Poecilia formosa)? In: FRANCK, D. Einführung in die Verhaltensbiologie, Thieme Verlag, Stuttgart 191 – 193.
  2. Passenheim,H., Podloucky,R. & Schlupp,I. (2001): Pilotprojekt Braken: Langzeitstudie über die Entwicklung einer Population von Erdkröten (Bufo bufo L.) in einem Ersatzlaichgewässer führt zu positiven Ergebnissen. In: UFZ Bericht 2/2001 (Gottschalk, E., Barkow, A., Mühlenberg, M. & Settele, J. (Eds.) pp 149-154.
  3. SCHLUPP, I. (2003): Die Liebe der Fische: Das ungewöhnliche Liebesleben des Amazonenkärpflings. Bookchapter for an exhibition catalogue on “Fishes” (with an insert by Rayne Hurzeler) Kunstverein Bad Salzdetfurth.
  4. Schlupp,I. & Wanker,R. Entwicklungsethologie. In: Lehrbuch der Entwicklungspsychiatrie (2003): (Herpertz-Dahlmann, B. Resch, F., Schulte-Markwort, M., Warnke, A. (Hrsg.)). Schattauer Verlag Stuttgart 1-13. (second edition in 2007).
  5. SCHLUPP, I. Behavior of unisexual vertebrates with special focus on the Amazon molly. In: Enzyclopedia of Animal Behavior (2004): (edited by Mark Bekoff).
  6. Matos,R.J. & Schlupp,I. Performing in front of an audience – signalers and the social environment. (2005): In: Animal Communication Networks (Editor: McGregor, P.K.) Cambridge University Press, 63-83. (ISBN: 0521823617)
  7. Schlupp, I. & Riesch, R. Evolution of unisexual reproduction. (2011): In: Ecology and Evolution of Poeciliid Fishes. J. Evans, A. Pilastro & I. Schlupp (Editors). University of Chicago Press, Chicago, 50 -58. (
  8. Bierbach, D., Konstantin, Y., Stadler, S., Schenkel, D., Makowicz, A., Nigl, H., Geupel, H., Riesch, R., Schlupp, I., Plath, M. (2012): Audience effects alters male mate choice in poecilids. In: Clark KB (ed.) Social learning theory: Phylogenetic considerations across animal, plant, and microbial taxa. Nova Science Publishers, Hauppauge, NY.

Published IUCN species assessments

Rodríguez-Silva, R., Rodriguez, C., Schlupp, I. & Lyons, T.J. 2021. Limia versicolor. The IUCN Red List of Threatened Species 2021: e.T125982185A125986643.

Lyons, T.J. & Schlupp, I. 2021. Limia sulphurophila. The IUCN Red List of Threatened Species 2021: e.T125981966A125986638.

Rodriguez, C., Schlupp, I. & Lyons, T.J. 2021. Gambusia dominicensis. The IUCN Red List of Threatened Species 2021: e.T169400A124286138.

Rodríguez-Silva, R., Rodriguez, C., Schlupp, I. & Lyons, T.J. 2021. Limia versicolor. The IUCN Red List of Threatened Species 2021: e.T125982185A125986643.

Rodríguez-Silva, R., Rodriguez, C., Schlupp, I. & Lyons, T.J. 2021. Limia yaguajali. The IUCN Red List of Threatened Species 2021: e.T125986113A125986653


Ecology and Evolution of Poeciliid Fishes. (2011) J. Evans, A. Pilastro & I. Schlupp (Editors). University of Chicago Press, Chicago.

Male Choice, Female Competition, and Female Ornaments in Sexual Selection: in press (publication planed for May 2021). ISBN: 9780198818946, Oxford University Press, Oxford.