Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Cypriniformes
(Carps) > Cyprinidae
(Minnows or carps) > Acheilognathinae
Etymology: Rhodeus: Greek, rhodeos, a,-on = rose (Ref. 45335); pseudosericeus: Specific name referring to the similar appearance of this species to Rhodeus s. sericeus .
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic. Temperate
Asia: Gyonggi-do and Gangwon-do, Namhan River system, South Korea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 40967)
Morphology | Morphometrics
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Female has an ovipositor which is used to deposit eggs inside bivalves. Young remain in the bivalve until they can swim (Ref. 43281).
Arai, R., S.-R. Jeon and T. Ueda, 2001. Rhodeus pseudosericeus sp. nov., a new bitterling fom South Korea (Cyprinidae, Acheilognathinae). Ichthyol. Res. 48(3):275-282. (Ref. 40967)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00424 - 0.02357), b=3.11 (2.93 - 3.29), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.6 ±0.2 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .