Trachidermus fasciatus Heckel, 1837 Roughskin sculpin |
photo by
Islam, Md. S. |
Family: | Cottidae (Sculpins) | |||
Max. size: | 14 cm NG (male/unsexed) | |||
Environment: | benthopelagic; freshwater; brackish; marine, 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. (130435) | |||
Threat to humans: | harmless | |||
Country info: |
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