| 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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