Zaca blenny
Malacoctenus zacae
- Least concern
- Card rarity: Common
- Fish

Malacoctenus zacae, the Zaca blenny, is a species of labrisomid blenny native to the Pacific coast of Mexico from Baja California to Acapulco. This species can reach a length of 6.5 centimetres (2.6 in) TL.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Labrisomidae
- Genus
- Malacoctenus