Cobitis minamorii Nakajima, 2012
photo by Shiina, M.

Family:  Cobitidae (Spined loaches)
Max. size:  6.2 cm SL (male/unsexed); 7.4 cm SL (female)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Japan in Okayama, Hiroshima, Shiga, Shizuoka, Gifu, Aichi, Mie, Hyogo, Tottori, Shimane, Kyoto and Osaka Prefectures.
Diagnosis:  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).
Biology: 
IUCN Red List Status: Near Threatened (NT); Date assessed: 08 December 2017 (B2ab(i,ii,iii,iv,v)) Ref. (130435)
Threat to humans:  harmless


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