分類 / 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); minamorii: The specific name is dedicated to Dr. Sumio Minamori who was the pioneer of the study of speciation of loaches in Japan (Ref 92393)..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Subtropical
Asia: Japan in Okayama, Hiroshima, Shiga, Shizuoka, Gifu, Aichi, Mie, Hyogo, Tottori, Shimane, Kyoto and Osaka Prefectures.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.2 cm SL オス/雌雄の選別がない; (Ref. 92393); 7.4 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
Distinguishable from other Japanese striated spined loaches by the following characteristics: body size small, the mature size about 35-45 mm SL in males, 45-55 mm SL in females; lamina circularis at the base of the pectoral fin of adult male a roundish plate, somewhat narrowing toward the outer part; upper segments of the first branched soft ray of pectoral fin narrow and weak; PMN commonly 12; snout short; eye diameter relatively large; body depth and caudal peduncle relatively deep; line L1 consisting of a series of 15-25 blotches; blotches saddle or oval-shaped; line L2 formed by longitudinal jagged line or angular blotches, reaching to pre- or middorsal region, often fused with L1; line L3 formed by incomplete longitudinal narrow line, reaching beyond dorsal fin; line L5 formed by narrow incomplete longitudinal line or organized in chained tiny 15-20 blotches; caudal and dorsal fin with 3-4 irregular vertical bars and exterior bar weak margined; upper spot at the caudal base black, smaller than eye diameter; lower spot at caudal base existing but faint; each spots not connected; egg yolk diameter approximately 0.8 mm; karyotype diploid (2n = 49 in male, 50 in female) (Ref. 92393).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Nakajima, J., 2012. Taxonomic study of the Cobitis striata complex (Cypriniformes, Cobitidae) in Japan. Zootaxa 3586:103-130. (Ref. 92393)
IUCNのレッドリストの状況は (Ref. 130435)
絶滅危惧に近い (NT) (B2ab(i,ii,iii,iv,v)); Date assessed: 08 December 2017
Human uses
用具
特記事項
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インターネットの情報源
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=0.00562 (0.00254 - 0.01244), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
