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Rhodes University (1993)

Morphological variation and its taxonomic implications for insular populations of Pseudocrenilabrus philander (Pisces : Cichlidae)

Twentyman Jones, Vanessa

Titre : Morphological variation and its taxonomic implications for insular populations of Pseudocrenilabrus philander (Pisces : Cichlidae)

Auteur : Twentyman Jones, Vanessa

Université de soutenance : Rhodes University

Grade : Master of Science (MS) 1993

Contexte
The cichlid fish Pseudocrenilabrus philander is widely distributed in southern Africa. Many of the populations occur in small, insular, geographically isolated water bodies, some of which are in arid areas. These small allopatric populations have been isolated for thousands of years and gene flow between them is non-existent or severely restricted. Populations were found to be different in terms of coloration, size of individuals, sexual dimorphism and behaviour. This thesis involved the determination of the taxonomic status of these isolated populations, from a morphological point of view.

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