Icelinus filamentosus Gilbert, 1890 .

Threadfin Sculpin. To 31.5 cm (12.4 in) TL (DFO). Near Chirikof Island, western Gulf of Alaska (Allen and Smith 1988) to Cortes Bank (Miller and Lea 1972) and Point Loma, southern California (Allen and Smith 1988). Benthic; depth: 18–482 m (60–1,581 ft) (min.: Miller and Lea 1972; max.: Bradburn et al. 2011), also reported to much deeper waters, 1,145 m (3,756 ft) (Ramsey et al. 2002), and 1,201 m (3,940 ft) (Lauth 1999), but without documentation.