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Trachidermus fasciatus Heckel, 1837 Roughskin sculpin |
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photo by
Islam, Md. S. |
| Family: | Cottidae (Sculpins) | |||
| Max. size: | 38.9 cm SL (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: | Least Concern (LC); Date assessed: 18 May 2023 Ref. (130435) | |||
| Threat to humans: | harmless | |||
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