Redside Blenny
Malacoctenus hubbsi
- Least concern
- Card rarity: Common
- Fish

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. This species can reach a length of 9 centimetres (3.5 in) TL. The specific name honours the American ichthyologist Clark Hubbs (1921-2008).
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Labrisomidae
- Genus
- Malacoctenus