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Issue: Vol. 5666 No. 3: 29 Jul. 2025
Type: Article
Published: 2025-07-29
DOI: 10.11646/zootaxa.5666.3.4
Page range: 389-407
Abstract views: 134
PDF downloaded: 5

Laogarra heokheei, a new genus and species of 'garra' from north-eastern Laos (Teleostei: Cyprinidae)

Rue des Rauraques 6; 2800 Delémont; Switzerland (permanent address); Lee Kong Chian Natural History Museum; National University of Singapore; 2 Conservatory Drive; Singapore 117377
Pisces Garra garras labeoninae Semilabeoina osteochilina

Abstract

Laogarra heokheei, gen. nov. et sp. nov., is described from the Nam Mo watershed in Laos (a tributary of Song Lam, which flows eastwards to Vinh and the Gulf of Tonkin). It is distinguished from most other genera of garras in having the pulvinus margined posteriorly by an almost complete postpulvinal groove, with only a narrow interruption. Other diagnostic characters (none of them unique to Laogarra) include: pulvinus entire (not fragmented into several parts), roughly triangular, entirely devoid of papillae, with two oblique wrinkles orientated more or less parallel to lateral margins of pulvinus; posterior edge of labrum without posterior median notch; torus strongly curved, covered by papillae, at extremities rounded backwards around sides of pulvinus; toral groove curved at extremities around sides of pulvinus; labella continuous with labrum; three enlarged scales at caudal-fin base. Valid family-group names are finally established for Semilabeoina and Osteochilina.

 

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How to Cite

Kottelat, M. (2025) Laogarra heokheei, a new genus and species of ’garra’ from north-eastern Laos (Teleostei: Cyprinidae). Zootaxa, 5666 (3), 389–407. https://doi.org/10.11646/zootaxa.5666.3.4