Sonoran Blenny
Malacoctenus gigas
- Least concern
- Card rarity: Common
- Fish

Malacoctenus gigas, the Sonora blenny, is a species of labrisomid blenny endemic to the Gulf of California. It is a shallow water species inhabiting patches of seaweed on reefs. This species can reach a length of 13 centimetres (5.1 in) TL.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Labrisomidae
- Genus
- Malacoctenus