Cobitis kaibarai Nakajima, 2012

Family:  Cobitidae (Spined loaches)
Max. size:  5.45 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater,
Distribution:  South East Asia: Japan, Mitsuru River, Chikugo River system, Ukiha, Fukuoka Pref., Kyushu (Ref. 92393).
Diagnosis:  This species is distinguishable from other japanese striated spined loaches by the following characteristics: body size relatively small, the mature size about 45-55 mm SL in males, 55-65 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 narrow and weak; PMN commonly 13; line L3 formed by incomplete longitudinal line, reaching to caudal base, fused with L1 and L4 on posterior part of body ; line L4 formed by longitudinal jagged line, reaching beyond dorsal fin in male of non-spawning season; line L5 organized in 10-16 roundish or ovoid blotches, fused with L4 on caudal body in non-spawning season; caudal fin and dorsal fin with 4-5 arcuate bars; upper spot at the caudal base jet-black approximately eye diameter; lower spot at caudal base faint or missing; egg yolk diameter approximately 0.8 mm; karyotype diploid (2n = 50) (Ref 92393).
IUCN Red List Status: Vulnerable (VU); Date assessed: 07 December 2017 (B1ab(ii,iii,v)+2ab(ii,iii,v)) Ref. (130435)
Threat to humans:  harmless

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