Crossorhombus kobensis (Jordan & Starks, 1906)
Kobe flounder
Crossorhombus kobensis
photo by Shao, K.T.

Family:  Bothidae (Lefteye flounders)
Max. size:  12 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 50 - 275 m
Distribution:  Northwest Pacific: Japan, Formosa Strait, northern part of the South China Sea. Possibly occurring in the Western Central Pacific.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 79-86; Anal spines: 0-0; Anal soft rays: 59-67. Tip of isthmus below middle of lower eye. Scales on ocular side ctenoid, armed with a row of hairlike spines. Caudal fin with 3 simple rays on upper and lower margins respectively. Pectoral fin elongated into a filament, longer than head. Caudal fin without a dark band. In male, body on blind side stained with dark-blue except for head, interorbital width broader and pectoral fin longer than in female.
Biology:  Lives on sand and shell bottoms and feeds on bottom-living animals. Sexually dimorphic characters develop at about 5 cm SL.
IUCN Red List Status: Least Concern (LC); Date assessed: 11 November 2019 Ref. (130435)
Threat to humans:  harmless


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