Australian tusk (Dannevigia tusca)

Scientific name: Dannevigia tusca Whitley, 1941

Australian tusk (Dannevigia tusca)

The Australian tusk (Dannevigia tusca) is a marine fish of the family Ophidiidae. Native range: Eastern Indian Ocean, Great Australian Bight, straying to Bass Straits (Australia).

Biology

Body robust, deepest over pectoral fins; several short, weak, concealed spines at lower angle of preopercle; spine on opercle barely if at all reaching beyond rear margin of head; eyes well developed; adults with no dark spots on body or fins; pelvic fin bases close together, inserting under rear margin of eye. Small specimens with 4 rather diffuse broad vertical brown bands on body; adults uniformly brown.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Dannevigia tusca
Family
Ophidiidae (Cusk-eels)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
56.0
Depth range
115–400 m (377–1312 ft)
Environment
Marine; benthopelagic; depth range 115 - 400 m
Climate
Temperate
Distribution
Eastern Indian Ocean: Great Australian Bight, straying to Bass Straits (Australia).
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (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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