Article
Gradient evolution of body colouration in surface- and cave-dwelling Poecilia mexicana and the role of phenotype-assortative female mate choice.
BioMed research international - 1 Jan 2013
Bierbach David, Penshorn Marina, Hamfler Sybille, Herbert Denise B, Appel Jessica, Meyer Philipp, Slattery Patrick, Charaf Sarah, Wolf Raoul, Völker Johannes, Berger Elisabeth A M, Dröge Janis, Wolf Konstantin, Riesch Rüdiger, Arias-Rodriguez Lenin, Indy Jeanne R, Plath Martin
Abstract excerpt
Ecological speciation assumes reproductive isolation to be the product of ecologically based divergent selection. Beside natural selection, sexual selection via phenotype-assortative mating is thought to promote reproductive isolation. Using the neotropical fish Poecilia mexicana from a system that has been described to undergo incipient ecological speciation in adjacent, but ecologically divergent habitats...
Topics
- Abdomen
- Animal Fins
- Animals
- Biological Evolution
- Body Size
- Caves
- Darkness
- Ecosystem
- Female
- Geography