Microlipophrys velifer, the sailfin blenny is a species of combtooth blenny found in the eastern Atlantic ocean off west Africa from Mauritania and Cape Verde to the Cunene River, Angola.

[1] This species grows to a length of 5.8 centimetres (2.3 in) TL.

The dorsal fin has 12 spines and 15 to 16 rays while the anal fin has two spines and 16 to 18 rays.

[2][3] The species inhabits rocky intertidal zones both protected and unprotected from the waves.

The species lay eggs that are attached in holes in rocks.