Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cypriniformes (Carps) >
Acheilognathidae (Bitterlings)
Etymology: Rhodeus: Greek, rhodeos, a,-on = rose (Ref. 45335); cyanorostris: 'cyanorostris'(Latin), i.e., 'cyano' for blue and 'rostris' for snout, referring to the blue snout in nuptial males. Noun (Ref. 126778).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; depth range 0 - 1 m (Ref. 126778). Tropical
Asia: China.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL male/unsexed; (Ref. 126778)
Short description
Identification keys | Morphology | Morphometrics
It has a longitudinal scale series 32 to 35; no pored scales; transverse scale series 11 (10-12); branched dorsal-fin rays 8 (rarely 7); branched anal-fin rays 7-8; vertebrae 33-34 (rarely 35); no light spots on dorsal-fin rays and males have a nuptial colouration of a blue snout, iris, belly and yellow fins.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Li, F., T.-Y. Liao and R. Arai, 2020. Two new species of Rhodeus (Teleostei: Cyprinidae: Acheilognathinae) from the River Yangtze, China. J. Vert. Biol. 69(1):19055. (Ref. 126778)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 2.8 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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