Divergent parasite infections in sympatric cichlid species in Lake Victoria
نویسندگان
چکیده
منابع مشابه
The genetics of mate preferences in hybrids between two young and sympatric Lake Victoria cichlid species.
The genetic architecture of mate preferences is likely to affect significant evolutionary processes, including speciation and hybridization. Here, we investigate laboratory hybrids between a pair of sympatric Lake Victoria cichlid fish species that appear to have recently evolved from a hybrid population between similar predecessor species. The species demonstrate strong assortative mating in t...
متن کاملKnow thine enemy: intrasexual selection and sympatric speciation in Lake Victoria cichlid fish
It has been suggested that sympatric speciation can be driven by sexual selection on male mating traits alone. However, a fundamental problem for this process is the lack of ecological differentiation that would stabilize co-existence of incipient species through frequency-dependent selection. Such selection can also occur if male aggression is primarily directed towards similar rather than tow...
متن کاملGenomic architecture of ecologically divergent body shape in a pair of sympatric crater lake cichlid fishes.
Determining the genetic bases of adaptations and their roles in speciation is a prominent issue in evolutionary biology. Cichlid fish species flocks are a prime example of recent rapid radiations, often associated with adaptive phenotypic divergence from a common ancestor within a short period of time. In several radiations of freshwater fishes, divergence in ecomorphological traits - including...
متن کاملDevelopmental effects of visual environment on species-assortative mating preferences in Lake Victoria cichlid fish.
Local adaptation can be a potent force in speciation, with environmental heterogeneity leading to niche specialization and population divergence. However, local adaption often requires nonrandom mating to generate reproductive isolation. Population divergence in sensory properties can be particularly consequential in speciation, affecting both ecological adaptation and sexual communication. Pun...
متن کاملPopulation structure in two sympatric species of the Lake Tanganyika cichlid tribe Eretmodini: evidence for introgression.
Patterns of genetic differentiation were analysed and compared in two sympatric species of the endemic Lake Tanganyika cichlid tribe Eretmodini by means of mitochondrial DNA (mtDNA) sequences of the control region and six microsatellite DNA loci. The sample area covers a total of 138 km of mostly uninterrupted rocky shoreline in the Democratic Republic of Congo and includes the entire distribut...
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ژورنال
عنوان ژورنال: Journal of Evolutionary Biology
سال: 2018
ISSN: 1010-061X,1420-9101
DOI: 10.1111/jeb.13304