New data on Garra makiensis (Cyprinidae, Labeoinae) from the Awash River (Ethiopia) with remarks on its relationships to congeners on the Arabian Peninsula

By

Englmaier, Gernot
Viñuela Rodríguez, Nuria
Waidbacher, Herwig
Palandacic, Anja
Tesfaye, Genanaw
Gessl, Wolfgang
Meulenbroek, Paul

Type

Article

Date of Publication

2020

Original Publication

ZooKeys

Volume

984

Pages

133--163

Subjects

Biodiversity , Biogeography , CO1 sequence data , East Africa , freshwater fish , tubercles

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.984.55982

 

Abstract

On the African continent, the genusGarraconsists of several species often insufficiently separated from each other by diagnostic characters. Herein, a detailed morphological redescription ofGarra makiensisfrom the Awash River drainage is presented, together with additional data on the type specimens ofG. makiensisandG. rothschildi. Mitochondrial CO1 sequence data are also provided, including the historic paralectotype ofG. makiensis, with a comparison toGarraspecies from Africa and the Middle East. Based on these sequences,G. makiensisclusters outside the group of African congeners and is a sister lineage to species from the south-east of the Arabian Peninsula. Although morphologically variable,G. makiensisis characterised by having a single unbranched pectoral-fin ray, a short distance between vent and anal-fin origin (7.3–19.7 % of pelvic – anal distance), chest and belly covered with scales, and a prominent axillary scale at base of pelvic fin (18.8–35.5 % of pelvic-fin length).