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); tabira tohokuensis: The name tohokuensis refers to the Tohoku area, where this subspecies is found.
Environment / Climate / Range
Freshwater; benthopelagic. Temperate
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.3 cm SL male/unsexed; (Ref. 78070)
Morphology | Morphometrics
soft rays: 11 - 12;
Vertebrae: 36 - 38. Distinguished in having the following characters: dorsal fin usually with iii 9 rays; anal fin usually with iii 9 rays; more total vertebrae than in all other subspecies, 37; dorsal fin in males, red; anal fin in nuptial males, red; absence of black blotch on dorsal fin in juveniles; eggs long ellipsoid, ratio of major axis to minor axis, 2.0-3.3 (Ref. 78070).
Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri
Asia: Japan Sea side of eastern Honshu (Akita, Yamagata, Fukushima in western area and Niigata Prefectures).
Inhabits rivers, lakes and ponds in plains; creeks and rivers near coasts, and mouths of rivers draining into lagoons. Deposits its eggs into host mussels (Ref. 78070).
Arai, R., H. Fujikawa and Y. Nagata, 2007. Four new subspecies of Acheilognathus Bitterlings (Cyprinidae: Acheilognathidae) from Japan. Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 1:1-28.
IUCN Red List Status (Ref. 90363)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01020 (0.00329 - 0.03166), b=3.04 (2.78 - 3.30), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.3 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec < 10,000).
Vulnerability (Ref. 59153
): Low vulnerability (17 of 100) .