Odontobutis obscurus (Temminck & Schlegel, 1845)
photo by Shao, K.T.

Family:  Odontobutidae (Freshwater sleepers)
Max. size:  17.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: China, Japan (Ref. 559) and Korea (Ref. 41509).
Diagnosis:  Pectoral fin short, not reaching below second dorsal fin origin. Lower end of opercular papillae group 17 not continuous to group 19 (Ref. 41509).
Biology:  Takes up life at the bottom right after hatching; spends its whole life in freshwater.
IUCN Red List Status: Least Concern (LC); Date assessed: 09 January 2023 Ref. (130435)
Threat to humans:  harmless


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