Rhodeus pseudosericeus Arai, Jeon & Ueda, 2001
Rhodeus pseudosericeus
photo by Chae, B.-S.

Family:  Acheilognathidae (Bitterlings)
Max. size:  6.07 cm SL (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  Asia: Gyonggi-do and Gangwon-do, Namhan River system, South Korea.
Diagnosis:  Dorsal spines (total): 3-3; Dorsal soft rays (total): 9-10; Anal spines: 3-3; Anal soft rays: 9-11; Vertebrae: 33-34. Iris of males blackish throughout the year. Branched, dorsal fin rays, 9-10 (mode 9); anal fin rays, 9-11 (mode 10). Melanophores on dorsal fin membrane. Karyotype with 2n = 48 (8m + 20sm + 20st). Ovipositor developed in females during breeding season (Ref. 40967).
Biology: 
IUCN Red List Status: Vulnerable (VU); Date assessed: 06 October 2021 (A2ace+3ce+4ace) Ref. (130435)
Threat to humans:  harmless


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