Evolution of bower building in Lake Malawi cichlid fish: phylogeny, morphology, and behavior
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چکیده
منابع مشابه
Evolution of bower building in Lake Malawi cichlid fish: phylogeny, morphology, and behavior
*Correspondence: Ryan A. York, Department of Biology, Stanford University, 371 Serra Mall, Stanford, CA 94305, USA e-mail: [email protected]; J. Todd Streelman, Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 310 Ferst Drive, Atlanta, GA 30332-0230, USA e-mail: todd.streelman@ biology.gatech.edu Despite considerable research, we still know little about th...
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Disruptive sexual selection through female mate choice has been proposed as a key mechanism driving the evolution of haplochromine cichlid fish diversity. Here we investigated if male secondary sexual traits employed by females in direct mate choice have an additional function in male competition. We conducted a field experiment on aggression among males of a lekking Lake Malawi cichlid species...
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Allopatric divergence in peripheral habitats may lead to rapid evolution of populations with novel phenotypes. In this study we provide the first evidence that isolation in peripheral habitats may have played a critical role in generation of Lake Malawi's cichlid fish diversity. We show that Lake Chilingali, a satellite lake 11.5 km from the shore of Lake Malawi, contains a breeding population ...
متن کاملHybridization and contemporary evolution in an introduced cichlid fish from Lake Malawi National Park.
Rapidly evolving systems offer the chance to observe genetic and phenotypic change in real time. We exploit a well-characterized introduction of cichlid fish into Lake Malawi National Park to document a short history of habitat colonization and the evolution of genes and colour pattern. In the early 1960s, a fish exporter introduced individuals of Cynotilapia afra to a single site (Mitande Poin...
متن کاملQuantifying mating success of territorial males and sneakers in a bower-building cichlid fish
The strategies and traits males evolve to mate with females are incredible in their diversity. Theory on the evolution of secondary sexual characters suggests that evolving any costly trait or strategy will pay off and stabilise in the population if it is advantageous compared to the alternative less costly strategy, but quantifying the relative success of the two can be difficult. In Lake Mala...
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ژورنال
عنوان ژورنال: Frontiers in Ecology and Evolution
سال: 2015
ISSN: 2296-701X
DOI: 10.3389/fevo.2015.00018