Filament cusk (Homostolus acer)

Scientific name: Homostolus acer Smith & Radcliffe, 1913

Filament cusk (Homostolus acer)

The Filament cusk (Homostolus acer) is a marine fish of the family Ophidiidae. Native range: Western Pacific, off Japan to off Australia and New Caledonia.

Biology

Rather elongate body with pointed head; eye diameter equal to or longer than snout; jaw teeth granular in narrow bands; opercular spine sharp and straight; 1-3 sharp spines on lower margin of preopercle; median basibranchial tooth patch 1; developed rakers on anterior gill arch 27-42; pectoral fins low on the body; each pelvic fin with 1 ray longer than head; precaudal vertebrae 13.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Homostolus acer
Family
Ophidiidae (Cusk-eels)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
18.4
Depth range
300–1000 m (984–3281 ft)
Environment
Marine; bathydemersal; depth range 300 - 1000 m
Climate
Deep-water
Distribution
Western Pacific: off Japan to off Australia and New Caledonia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Sources

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

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