Squalidus gracilis (Temminck & Schlegel, 1846)
photo by Senou, H.

Family:  Gobionidae (Gudgeons)
Max. size:  15.6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Japan and Korea.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 7-10; Anal spines: 2-2; Anal soft rays: 6-9; Vertebrae: 33-34
Biology:  Inhabits lentic waters of middle and lower reaches of rivers, on sandy, pebble bottoms (Ref. 41299). Omnivore (Ref. 41299).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (126983)
Threat to humans:  harmless
Country info:   

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