Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Cypriniformes
(Carps) > Cobitidae
Etymology: Cobitis: Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335); magnostriata: This species has the largest body and the most awesome appearance in the Japanese Cobitis striata complex; this is reflected by the specific epithet magno-, which in Latin means large or great.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South East Asia: Japan. Small stream flowing into Biwa Lake, Adogawa, Shiga Pref., Honshu (Ref. 92393).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.3 cm SL male/unsexed; (Ref. 92393); 9.4 cm SL (female)
Morphology | Morphometrics
Distinguishable from other Japanese striated spined loaches by the following characteristics: body size large, mature size about 60-70 mm SL in males, 70-90 mm SL in females; lamina circularis at the base of the pectoral fin of adult male simple roundish plate, the upper segments of the first branched soft ray broad and strong; PMN commonly 14; caudal peduncle relatively deep; line L1 organized in longitudinal line from snout tip to dorsal-fin base, and formed by some oval- or saddle-shaped blotches on postdorsal body; line L2 lacking commonly; line L3 formed by sharp longitudinal line, reaching beyond dorsal fin ; line L4 lacking or formed by weak dotted line; line L5 well developed with broad stripe; caudal and dorsal fins margined by a broad black band; upper and lower spot at caudal base connected into dumbell-shape; egg yolk diameter approximately 1.1 mm; karyotype tetraploid (2n = 98) (Ref. 92393).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nakajima, J., 2012. Taxonomic study of the Cobitis striata complex (Cypriniformes, Cobitidae) in Japan. Zootaxa 3586:103-130. (Ref. 92393)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
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=0.00550 (0.00246 - 0.01227), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low to moderate vulnerability (26 of 100) .