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

Hypsagonus quadricornis (Cuvier, 1829)
Fourhorn Poacher
Family: Agonidae
Photo of species

© Aaron Baldwin  Email the photographer   (Photo ID #7502)

Source: Distribution of Hypsagonus quadricornis as compiled by Aquamaps
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Species Information

Dorsal spines (total): 8 - 11; Dorsal soft rays (total): 5 - 7; Anal spines: 0; Anal soft rays: 8 - 11; Vertebrae: 35 - 37. Lower lobe of pectoral fin with 7 to 8 free rays. A barbel is present on the tip of the snout. Dorsum highly elevated at nape. Branchial membrane free from isthmus. Supralateral and infralateral plates attached to each other on lateral line. Dorsal fins close to each other. Lateral line plates less than 15.

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


Species Biology

Rocky sand, gravel, or pebble bottoms. Frequently covered by featherlike polyps (small hydroid animals) (Ref. 2850). Environment: demersal; non-migratory; marine; depth range 0 - 452 m (Ref. 50550), usually 100 - 150 m (Ref. 56580) Climate: temperate; 1 – 9°C (Ref. 56580); 62°N - 46°N, 171°E – 121°W.

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



North Pacific: Sea of Okhotsk, Sea of Japan (Ref. 559), Kuril Islands (Ref. 56580) and the Bering Sea to Puget Sound, Washington, USA.

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

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
NativeSNRNo StatusNot Listed
BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Additional Range and Status Information Links

Additional Photo Sources

General References

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: 2024-04-22 9:32:42 AM]
Disclaimer: The information contained in an E-Fauna BC atlas pages is derived from expert sources as cited (with permission) in each section. This information is scientifically based.  E-Fauna BC also acts as a portal to other sites via deep links.  As always, users should refer to the original sources for complete information.  E-Fauna BC is not responsible for the accuracy or completeness of the original information.

© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC