Andriyashev largeheaded sculpin (Andriashevicottus megacephalus)

Scientific name: Andriashevicottus megacephalus Fedorov, 1990

The Andriyashev largeheaded sculpin (Andriashevicottus megacephalus) is a marine fish of the family Cottidae. Native range: Northwest Pacific, known only from the holotype taken from off Simushir Island, Kuril Islands.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 20; Anal soft rays: 13; Vertebrae: 40. Head large; subopercle spines 4, upper one is largest, bent upward, forked; no spines and crests on occiput; scales on the head in dorsal view stretch forward along the interorbital space to the anterior margin of the eye; in lateral view, scales drop to the level of the lower posterior margin of the eye, the suborbital support and upper preopercular spine; body scales below the base of dorsal spine in the form of a band with irregular diagonal rows, in a row along the lateral line and in a spot under the pectoral fin behind the upper margin of its base. 2 nostrils; branchiostegal membranes united and free of isthmus; well developed pseudobranch; a small opening behind the 4th gill arch.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Andriashevicottus megacephalus
Family
Cottidae (Sculpins)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
23.6
Depth range
100 m (328 ft)
Environment
Marine; demersal; depth range 100 - 100 m
Climate
Boreal
Distribution
Northwest Pacific: known only from the holotype taken from off Simushir Island, Kuril Islands.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
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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