Gulf Signal Blenny
Emblemaria hypacanthus
- Least concern
- Card rarity: Common
- Fish

Emblemaria hypacanthus, the Gulf signal blenny, is a species of chaenopsid blenny known from the Gulf of California, in the eastern central Pacific ocean. It can reach a maximum length of 5 centimetres (2.0 in) TL. This species feeds primarily on zooplankton.
Classification
- Class
- Actinopterygii
- Order
- Blenniiformes
- Family
- Chaenopsidae
- Genus
- Emblemaria