Malacoctenus hubbsi, the redside blenny, is a species of labrisomid blenny native to the Gulf of California extending to the Pacific coast of southern Baja California.

It is found in rocky areas at depths of from 1 to 4 metres (3.3 to 13.1 ft).

This species can reach a length of 9 centimetres (3.5 in) TL.

[2] The specific name honours the American ichthyologist Clark Hubbs (1921-2008).

This Labrisomidae article is a stub.