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Acheilognathus majusculus Kim & Yang, 1998

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Korea (South) country information

Common names: Keunjulnapjaru, 큰줄납자루
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Somjin River and tributaries of the Nakdong River (Ref. 42959). Museum: Somjin River, Dae-ri, Kwanchon-myon, Ismil-gun, Chollabuk-do Province, CNUC 21810 (holotype, 9.46 cm SL, male) (Ref. 42959). Also Ref. 77001.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ks.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kim, I.S. and H. Yang, 1998
National Database:

Common names from other countries

Oja-paljaslõug, 큰줄납자루, Keunjulnapjaru, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Acheilognathidae (Bitterlings)
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: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic; depth range 1 - ? m (Ref. 42957).   Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Somjin and Nakdong River, South Korea.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 42957); 8.4 cm SL (female)

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 8; Anal spines: 3; Anal 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).

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

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. 130435)

  Not Evaluated 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).