This species attains a length of up to 39 cm.
The Pseudocetonurus septifer lives in the benthopelagic, marine, depth range 340 - 950 m environment.
Pseudocetonurus septifer is a species of rattail, the only known species in the genus Pseudocetonurus. This fish is found at depths of up to 950 m in the waters around Hawaii and in the south-eastern Pacific. More