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

Licia Colli, Annalisa Paglianti, Roberto Berti, Gilberto Gandolfi, James Tagliavini

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

25 Citazioni (Scopus)

Abstract

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.
Lingua originaleEnglish
pagine (da-a)95-107
Numero di pagine13
RivistaEnvironmental Biology of Fishes
Volume84
DOI
Stato di pubblicazionePubblicato - 2009

Keywords

  • Cyprinids
  • Cytochrome b
  • Garra barreimiae
  • Phreatichthys andruzzii
  • Troglomorphic fish

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