Jellynose fishes have large bulbous heads with inflated jelly-like snouts and long tapering tails. The skeleton is poorly ossified and the flesh is very watery. Although these bathypelagic fishes are found in all oceans in depths between 400-700 m, little is known of their biology. The largest species grows to about 2.2 metres in length.
The Ateleopodiformes contains a single family, the Ateleopodidae, with four genera and eleven described species. The group is in need of revision.
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