Acanthemblemaria castroi

Acanthemblemaria castroi, the Galapagos barnacle blenny, is a species of chaenopsid blenny endemic to coral reefs in the Galapagos Islands, in the southeast Pacific ocean. It can reach a maximum length of 6 cm TL. The specific name honours a naturalist at the Charles Darwin Foundation, Academy Bay, Santa Cruz Island, Galápagos, Miguel Castro.