Tridentiger obscurus (Temminck & Schlegel, 1845)
Dusky tripletooth goby

Chichibu ???, 

Tridentiger obscurus
photo by Suzuki, T.

 Family:  Gobiidae (Gobies), subfamily: Gobionellinae
 Max. size:  14 cm TL (male/unsexed)
 Environment:  demersal, amphidromous
 Distribution:  Asia: Korean Peninsula and Japan. Reported from Sakhalin and Iturup Island, Russian Federation (Ref. 26334).
 Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-12; Anal spines: 1-1; Anal soft rays: 9-11
 Biology:  Inhabits both brackish and freshwater and may spend its whole life in freshwater. Caught for food.
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:  From Aomori Pref. to Kyushu (Ref. 559). Also in Kawahara-oike Lake, Nagasaki (Ref. 32231). Also Ref. 11344.

 Entered by: Froese, Rainer - 05.12.95
 Modified by: Reyes, Rodolfo B. - 18.07.13

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