Fourhorn poacher (Hypsagonus quadricornis)

Scientific name: Hypsagonus quadricornis Cuvier, 1829

Fourhorn poacher (Hypsagonus quadricornis)

The Fourhorn poacher (Hypsagonus quadricornis) is a marine fish of the family Agonidae. In the aquarium it needs water at 1–9°C (34–48°F). Native range: North Pacific, Sea of Okhotsk, Sea of Japan, Kuril Islands and the Bering Sea to Puget Sound, Washington, USA.

Fourhorn poacher care at a glance

Temperature
1–9°C (34–48°F)

Biology

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, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hypsagonus quadricornis
Family
Agonidae (Poachers)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
12.0
Common length
10.0
Depth range
0–452 m (0–1483 ft)
Environment
Marine; demersal; non-migratory; depth range 0 - 452 m, usually 100 - 150 m
Climate
Temperate
Distribution
North Pacific: Sea of Okhotsk, Sea of Japan, Kuril Islands and the Bering Sea to Puget Sound, Washington, USA.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries:
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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