Trachidermus fasciatus Heckel, 1837
Roughskin sculpin
photo by Islam, Md. S.

Family:  Cottidae (Sculpins)
Max. size:  14 cm NG (male/unsexed)
Environment:  benthopelagic, catadromous
Distribution:  Asia: Japan (Ref. 559), China (Ref. 26561) and Korea (Ref. 58345).
Diagnosis:  Dorsal spines (total): 8-8; Dorsal soft rays (total): 19-20; Anal soft rays: 17-18. Head large and without spine; snout with nostril spine; eyes small and nearer to tip of snout; mouth large, upper jaw slightly projected and reaching rear edge of eyes; gill opening large, pseudobranch present and gill rakers small; scales absent but with small knobbles on body.
Biology:  Adults live at the mouths of rivers that fall into the seas along the coasts of the warmly temperate zone of East Asia. Carnivore. Can grow to 12-14 cm long and becomes sexually mature in one year (Ref. 45563).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Garilao, Cristina V. - 01.06.98
Modified by: Luna, Susan M. - 24.02.14

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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