Article · Wikipedia archive · Last revised Jun 29, 2026

Rhodeus pseudosericeus

Rhodeus pseudosericeus, the Hangang bitterling, is a temperate freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originated in the Namhan River system in the Gyeonggi-do and Gangwon-do provinces of Korea. It was originally described as Acanthorhodeus atremius by Jordan & Thompson in 1914. The fish reaches a length up to 6.1 cm (2.4 in). When spawning, the females deposit their eggs inside bivalves, where they hatch and the young remain until they can swim.

Last revised
Jun 29, 2026
Read time
≈ 1 min
Length
151 w
Citations
2
Source
Rhodeus pseudosericeus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Suborder: Cyprinoidei
Family: Acheilognathidae
Genus: Rhodeus
Species:
R. pseudosericeus
Binomial name
Rhodeus pseudosericeus
R. Arai, S. R. Jeon & Ueda, 2001

Rhodeus pseudosericeus, the Hangang bitterling, is a temperate freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originated in the Namhan River system in the Gyeonggi-do and Gangwon-do provinces of Korea. It was originally described as Acanthorhodeus atremius by Jordan & Thompson in 1914. The fish reaches a length up to 6.1 cm (2.4 in). When spawning, the females deposit their eggs inside bivalves, where they hatch and the young remain until they can swim.2

References

References

  1. IUCN-Republic of Korea Global Red List Partnership Review Workshop (2023). "Rhodeus pseudosericeus". IUCN Red List of Threatened Species. 2023 e.T148448839A148448856. doi:10.2305/IUCN.UK.2023-1.RLTS.T148448839A148448856.en. Retrieved 20 February 2025.
  2. Froese, Rainer; Pauly, Daniel (eds.). "Rhodeus pseudosericeus". FishBase. February 2007 version.