Revised diagnoses of the gudgeons Belobranchus belobranchus and B. segura (Actinopterygii, Gobiiformes, Eleotridae)

By

Afrisal, Muhammad
Nurjirana, Nurjirana
Haryono, Haryono
Mokodongan, Daniel
Wibowo, Kunto
Moore, Abigail Mary
Hubert, Nicolas

Type

Article

Date of Publication

2025

Original Publication

ZooKeys

Volume

1232

Pages

173--186

Subjects

COI , coloration , Distribution , Indonesia , Morphology , morphometrics

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.1232.141880

 

Abstract

Diagnostic characters distinguishing the gudgeons Belobranchus belobranchus and Belobranchus segura were reassessed and found to be inconsistent, making it difficult to accurately identify them. Numerous specimens of both species were examined combining genetic (mitochondrial COI gene) and morpho-meristic analyses. Our findings demonstrate that B. belobranchus and B. segura can be reliably distinguished from each other based on revised diagnostic characters, including several morphometric features (interorbital width, jaw length, and caudal-peduncle depth) as well as distinct head, body, and fin coloration.