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

Aptocyclus ventricosus (Pallas, 1769)
Smooth Lumpsucker
Family: Cyclopteridae

Source: Distribution of Aptocyclus ventricosus as compiled by Aquamaps

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Species Information

Dorsal spines (total): 0; Dorsal soft rays (total): 8 - 9; Anal spines: 0; Anal soft rays: 7 - 9. Brownish gray with dark spots dorsally, muddy gray ventrally. Caudal fin rounded; pectoral fins large and broadly based; pelvic fins modified to form a clinging disc with a thickened margin on the ventral surface of the body (Ref. 6885). Skin naked without scales and tubercles. First dorsal fin completely embedded under the skin. Disk rudimentary in young, well developed in adults (Ref. 43939).

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

Biology

Species Biology

Males are said to guard the eggs (Ref. 6885). Migrate to spawn in littoral waters of Bering Sea in December-June (Ref. 43939). benthopelagic; marine; depth range 0 - 1700 m (Ref. 50550). Temperate.

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

Distribution

North Pacific: Pusan, Korea north (outside the Sea of Okhotsk) to Providence Bay in the Anadyr Gulf of the Bering Sea, throughout the Aleutian Basin and islands, and southeast to Mathieson Channel, British Columbia, Canada.

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: 2024-10-14 4:24:43 PM]

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