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: Acheilognathus: Greek, a = without + Greek, cheilos = lip + Greek, gnathos = jaw (Ref. 45335); majusculus: The specific name is derived from the Latin majusculus, somewhat bigger; referring to the bigger body size of this species compared to the other bitterlings (Ref. 42957).
Environment / Climate / Range
Freshwater; benthopelagic; depth range 1 - ? m (Ref. 42957). Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 42957); 8.4 cm SL (female)
Morphology | Morphometrics
soft rays: 8;
Vertebrae: 37 - 40. Nuptial color of males greenish with a dark green stripe from upper rear edge of gill opening to middle of caudal fin base, anal fin with red band submarginally and dark ventral fin without marginal white band (Ref. 42959).
Asia: Somjin and Nakdong River, South Korea.
Found in rocky bottom of fast-flowing streams (Ref. 42957). Feeds on algae (Ref. 42957).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kim, I.S. and H. Yang, 1998. Acheilognathus majusculus, a new bitterling (Pisces, Cyprinidae) from Korea, with revised key to species of the genus Acheilognathus of Korea. Korean J. Biol. Sci. 2:27-31. (Ref. 42957)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00444 - 0.03571), b=3.06 (2.82 - 3.30), based on LWR estimates for this Subfamily-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.0 ±0.00 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .