E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia

Trichodon trichodon (Tilesius, 1813)
Pacific Sandfish
Family: Trichodontidae

Source: Distribution of Trichodon trichodon as compiled by Aquamaps

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Species Information

Dorsal spines (total): 9 - 16; Dorsal soft rays (total): 18 - 20; Anal spines: 1; Anal soft rays: 28 - 29. Caudal moderately forked (Ref. 6885). Light brown on dorsal surface, silvery ventrally, dark along midside, mid-dorsal line in irregular patches, and lateral line; spinous dorsal with dark streaks paralleling free edge; upper parts of pectorals and caudal with darkened edges, and vague dark blotches on rayed dorsal; anal, pelvic fins, and lower parts of pectorals light (Ref. 6885).

Source: FishBase. Eschmeyer, W.N., E.S. Herald and H Hammann. 1983 . (Ref. 2850)

Biology

Species Biology

Adults are found in deeper waters whereas larvae and juveniles occupy shallow, nearshore habitats (Ref. 57910). Usually buried in muddy or sandy bottoms with mouth protruding (Ref. 2850). Eggs are laid in a gelatinous mass that is attached to rocks (Ref. 2850). Some have been caught by hand in shallow water (Ref. 2850). Environment: demersal; marine; depth range 0 - 375 m (Ref. 50610). Climate: boreal; 66°N - 38°N

Source: FishBase. Eschmeyer, W.N., E.S. Herald and H Hammann. 1983 . (Ref. 2850)

Distribution

Northwest Pacific: Kamchatka (Ref. 27436) and the Commander Islands, Russia. Northeast Pacific: Aleutian Islands to Nunivak Island, Alaska and San Francisco, California, USA.

Source: FishBase. Eschmeyer, W.N., E.S. Herald and H Hammann. 1983 . (Ref. 2850)

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	SNR	No Status	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Genetic and lineage information (NCBI Taxonomy Browser)

Additional Range and Status Information Links

NatureServe Explorer
University of Alaska Museum

Additional Photo Sources

Flickr Image Search
Google Image Search
Images from Calphoto

Related Databases

fishbase

General References

FishBase References
Google Scholar Search

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2021. E-Fauna BC: Electronic Atlas of the Fauna of British Columbia [efauna.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2025-06-24 10:01:54 AM]

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