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Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei)

Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei) Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei) Martin Plath 1,2,3) , Matthias Rohde 4) , Thekla Schröder 5) , Angelika Taebel-Hellwig 5) & Ingo Schlupp 2) ( 1 Abteilung für Evolutionsbiologie/Spezielle Zoologie, Institut für Biochemie/Biologie der Universität Potsdam, Karl-Liebknecht-Str. 24-26, 14476 Potsdam, Germany; 2 Department of Zoology, University of Oklahoma, 730 Van Vleet Oval, Norman, OK 73019, USA; 4 Department Biologie II, Ludwig-Maximilians-Universität, Planegg-Martinsried, Germany; 5 Universität Hamburg, Biozentrum Grindel, Abteilung für Verhaltensbiologie, Martin-Luther-King Platz 3, 20146 Hamburg, Germany) (Accepted: 6 September 2005) Summary The Mexican tetra Astyanax fasciatus has evolved a variety of more or less color- and eyeless cave populations. Here we examined the evolution of the female preference for large male body size within different populations of this species, either surface- or cave-dwelling. Given the choice between visual cues from a large and a small male, females from the surface form as well as females from an eyed cave form showed a strong preference for large males. When only non-visual cues were presented in darkness, the surface females did not prefer either males. Among the six cave populations studied, females of the eyed cave form and females of one of the five http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei)

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853906775133560
Publisher site
See Article on Publisher Site

Abstract

Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei) Martin Plath 1,2,3) , Matthias Rohde 4) , Thekla Schröder 5) , Angelika Taebel-Hellwig 5) & Ingo Schlupp 2) ( 1 Abteilung für Evolutionsbiologie/Spezielle Zoologie, Institut für Biochemie/Biologie der Universität Potsdam, Karl-Liebknecht-Str. 24-26, 14476 Potsdam, Germany; 2 Department of Zoology, University of Oklahoma, 730 Van Vleet Oval, Norman, OK 73019, USA; 4 Department Biologie II, Ludwig-Maximilians-Universität, Planegg-Martinsried, Germany; 5 Universität Hamburg, Biozentrum Grindel, Abteilung für Verhaltensbiologie, Martin-Luther-King Platz 3, 20146 Hamburg, Germany) (Accepted: 6 September 2005) Summary The Mexican tetra Astyanax fasciatus has evolved a variety of more or less color- and eyeless cave populations. Here we examined the evolution of the female preference for large male body size within different populations of this species, either surface- or cave-dwelling. Given the choice between visual cues from a large and a small male, females from the surface form as well as females from an eyed cave form showed a strong preference for large males. When only non-visual cues were presented in darkness, the surface females did not prefer either males. Among the six cave populations studied, females of the eyed cave form and females of one of the five

Journal

Behaviour – Brill

Published: Jan 1, 2006

Keywords: CAVE FISH; SEXUAL SELECTION; SENSORY SHIFT; MATE CHOICE

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