The monotypic genera of cichlid fishes in Lake Victoria, Part II
نویسندگان
چکیده
منابع مشابه
Comment on "Origin of the superflock of cichlid fishes from Lake Victoria, East Africa".
Based on an extensive mitochondrial haplotype analysis representing about 900 specimens, we developed a conclusive model for the origin and age of the Lake Victoria (LV) superflock of haplochromine cichlids (1). Our most important findings were that (i) the cichlids were initially derived from Lake Kivu (LK), which contains the genetically most diverse and oldest cichlid lineages of any of the ...
متن کاملOrigin of the superflock of cichlid fishes from Lake Victoria, East Africa.
Lake Victoria harbors a unique species-rich flock of more than 500 endemic haplochromine cichlid fishes. The origin, age, and mechanism of diversification of this extraordinary radiation are still debated. Geological evidence suggests that the lake dried out completely about 14,700 years ago. On the basis of phylogenetic analyses of almost 300 DNA sequences of the mitochondrial control region o...
متن کاملB Chromosomes Have a Functional Effect on Female Sex Determination in Lake Victoria Cichlid Fishes
The endemic cichlid fishes in Lake Victoria are a model system for speciation through adaptive radiation. Although the evolution of the sex-determination system may also play a role in speciation, little is known about the sex-determination system of Lake Victoria cichlids. To understand the evolution of the sex-determination system in these fish, we performed cytogenetic analysis in 11 cichlid...
متن کاملMale-male competition and nuptial-colour displacement as a diversifying force in Lake Victoria cichlid fishes.
We propose a new mechanism for diversification of male nuptial-colour patterns in the rapidly speciating cichlid fishes of Lake Victoria. Sympatric closely related species often display nuptial colours at opposite ends of the spectrum with males either blue or yellow to red. Colour polymorphisms within single populations are common too. We propose that competition between males for breeding sit...
متن کاملGenetic Structure of Pelagic and Littoral Cichlid Fishes from Lake Victoria
The approximately 700 species of cichlids found in Lake Victoria in East Africa are thought to have evolved over a short period of time, and they represent one of the largest known examples of adaptive radiation. To understand the processes that are driving this spectacular radiation, we must determine the present genetic structure of these species and elucidate how this structure relates to th...
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ژورنال
عنوان ژورنال: Bulletin of the British Museum (Natural History) Zoology
سال: 1959
ISSN: 0007-1498
DOI: 10.5962/p.314116