Classification / Names
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Cypriniformes (Carps) >
Cobitidae (Spined loaches)
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
Ecologia
; acqua dolce benthopelagico. Tropical
South East Asia: Japan. Small stream flowing into Biwa Lake, Adogawa, Shiga Pref., Honshu (Ref. 92393).
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.3 cm SL maschio/sesso non determinato; (Ref. 92393); 9.4 cm SL (female)
Short description
Chiavi di identificazione | Morfologia | Morfometria
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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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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].
Bayesian length-weight: a=0.00513 (0.00234 - 0.01125), b=3.09 (2.92 - 3.26), 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
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
