Etmopterus spinax (velvet belly lanternshark)

The velvet belly lanternshark (or simply velvet belly, Etmopterus spinax) is a species of dogfish shark in the family Etmopteridae.

This species is one of the three most common sharks caught as bycatch in deepwater fisheries off southern Portugal, along with the velvet belly lanternshark (E. spinax) and the blackmouth catshark (Galeus melastomus).

Some shark species, such as the deepwater Etmopterus spinax, use counter-illumination to remain hidden from their prey.

Etmopterus spinax (velvet belly lanternshark)

Some species that move between are Pandalus borealis, Sabinea sarsi, Etmopterus spinax.

First age and growth estimates in the deep water shark, Etmopterus spinax (Linnaeus, 1758), by deep coned vertebral analysis.

The velvet belly lanternshark (or simply velvet belly, Etmopterus spinax) is a species of dogfish shark in the family Etmopteridae.

Braak also described the morphology of the neurohypophysial complex of the squaliform elasmobranch Etmopterus spinax (Spinax niger).

The benthic species include Coryphaenoides rupestris, Argentina silus, Etmopterus spinax, Chimaera monstrosa and Glyptocephalus cynoglossus.