Rhodeus nigrodorsalis
Rhodeus nigrodorsalis Li, Liao & Arai, 2020

Family:  Acheilognathidae (Bitterlings)
Max. size:  4.71 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: China.
Diagnosis:  It has a longitudinal scale series 33-35; pored scales 2-4 (rarely 0); transverse scale series 10 (rarely 11); branched dorsal-fin rays 8; branched anal-fin rays 8 (rarely 9); vertebrae 34-35 (rarely 33); iris yellowish, belly yellow, dorsalfin membrane dark black, and a vertical band on the anterior of flank in nuptial males.
Biology: 
IUCN Red List Status: Vulnerable (VU); Date assessed: 18 January 2024 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.