Oxynoemacheilus kottelati, a new species from the Havran and Karınca streams in Northern Aegean Basin, Türkiye (Teleostei, Nemacheilidae)

By

Turan, Davut
Aksu, Sadi
Güçlü, Salim
Kalayci, Gokhan

Type

Article

Date of Publication

2024

Original Publication

Zoosystematics and evolution

Volume

100

Series / Issue

Issue: 2

Pages

483--492

Subjects

Anatolia , COI , freshwater fish , loach , taxonomy

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia Pensoft

Identifiers

DOI: https://doi.org/10.3897/zse.100.119915

 

Abstract

The taxonomic status of the Oxynoemacheilus from the Karınca and Havran streams in the north Aegean Basin was evaluated, and it was concluded that these populations contain a new species. The new species, Oxynoemacheilus kottelatisp. nov., is distinguished by a body with a marbled pattern, a deeper caudal peduncle, a shorter caudal peduncle, a wider interorbital distance, and a shorter middle caudal-fin lope. Oxynoemacheilus kottelatisp. nov. is differentiated from the closest species, O. marmaraensis, in possessing 51 nucleotide substitution sites, a genetic distance of 8.40%, the presence of an axillary lobe at the base of the pelvic fin (vs. absent), and a narrower median incision in the upper lip (vs. absent). Three species delimitation tests (ASAP, ABGD, and PTP) and phylogenetic analyses reinforce the validity of O. kottelatisp. nov. as a distinct species.