Cottunculus tubulosus is a species of fish in the blobfishe family Psychrolutidae.

It is found in the north-eastern Atlantic Ocean.

[1] It was described in 2007 by Ingvar Byrkjedal and Alexei Markovich Orlov.

This species reaches a length of 4.7 cm (1.9 in).

This Cottoidei article is a stub.