| Family: |
Cobitidae (Spined loaches) |
| Max. size: |
10 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Asia: Japan and Korea. |
| Diagnosis: |
Dorsal soft rays (total): 10-10; Anal soft rays: 8-8. Differs from all other Japanese striated spined loaches by having the following characters: prepelvic myotome number commonly 13; body color pattern consisting of 5 longitudinal lines of pigmentation (abbreviated as lines L1 to L5) (line L3 formed by sharp longitudinal line, reaching to caudal base; line L4 formed by narrow longitudinal line, reaching beyond dorsal fin, narrower than L3 in male of non-spawning season; line L5 organized in 11-14 roundish, oblong or ovoid blotches in non-spawning season); caudal fin and dorsal fin with 3-4 arcuate bars; upper spot at the caudal base jet-black comparable in size to eye diameter; lower spot at caudal base faint or missing; lamina circularis at the base of the pectoral fin of adult male simple roundish plate, the upper segments of the first branched soft ray narrow and weak; egg yolk diameter approximately 1.0 mm; and karyotype diploid (Ref. 92393).
Description: Dorsal-fin rays iii, 7; anal-fin rays iii, 5; pectoral-fin rays i, 7-8; pelvic-fin rays ii,6 (Ref. 92393). |
| Biology: |
Oviparous, with distinct pairing during breeding (Ref. 205). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 04 January 2023 Ref. (130435)
|
| Threat to humans: |
harmless |
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