Molecular phylogeny of the blind cavefish Phreatichthys andruzzii and Garra barreimiae within the family Cyprinidae


Material Information

Molecular phylogeny of the blind cavefish Phreatichthys andruzzii and Garra barreimiae within the family Cyprinidae
Series Title:
Environmental Biology of Fishes
Colli, Licia
Paglianti, Annalisa
Berti, Roberto
Gandolfi, Gilberto
Tagliavini, James
Publication Date:


Subjects / Keywords:
Troglomorphic Fish ( local )
Cyprinids ( local )
Phreatichthys Andruzzii ( local )
Garra Barreimiae ( local )
Cytochrome B ( local )
serial ( sobekcm )


The phylogenetic relationships of two cavefish, Phreatichthys andruzzii and Garra barreimiae, belonging to the family Cyprinidae, were investigated by sequencing the mitochondrial cytochrome b gene. These cavefish species are native to Somalia (eastern Africa) and Oman (southeastern Arabian peninsula), respectively, and so far no molecular support to their taxonomy and phylogenetic position was ever provided. The analysis of cytochrome b sequences showed that the species are monophyletic taxa, closely related to each other and to other species of the genus Garra. Molecular clock calculations allowed to date the origin of these hypogaean species back to the Plio-Pleistocene and support the hypothesis that African cyprinids originated from Miocenic immigrations of Asian ancestors.
Original Version:
Environmental Biology of Fishes, Vol. 84 (2008-09-05).

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