The codheaded rattail, ''Bathygadus cottoides'', is a

rattail Grenadiers or rattails are generally large, brown to black gadiform marine fish of the subfamily Macrourinae, the largest subfamily of the family Macrouridae. Found at great depths from the Arctic to Antarctic, members of this subfamily are am ...

of the genus ''

Bathygadus ''Bathygadus'' is a genus of rattails of the family Bathygadidae. Species There are currently 13 recognized species in this genus: * '' Bathygadus antrodes'' (Jordan & Starks, 1904) * '' Bathygadus bowersi'' (Gilbert, 1905) * '' Bathygadus cot ...

'', found in the southeast

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...

and the southwest

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

s, at depths of between 1,000 and 1,600 m. Its length is between 20 and 30 cm.

References

* * Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982) * Iwamoto, T and Anderson, M. Eric. 1994
Review of the grenadiers (Teleostei: Gadiformes) of Southern Africa, with descriptions of four new species
Ichthyological Bulletin J.L.B. Smith Institute of Ichthyology; No. 61. J.L.B. Smith Institute of Ichthyology, Rhodes University, Grahamstown, South Africa. Macrouridae Fish described in 1878 Taxa named by Albert Günther {{Gadiformes-stub