Alex Mustard,Alex Mustard / A signal blenny (Emblemaria hypacanthus) displays its showy dorsal fin as it extends out of its tube home. La Paz, Mexico. Sea Of Cortez, East Pacific Ocean.
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Franco Banfi / Gulf signal blenny (Emblemaria hypacanthus) resting on seabed, close up, Baja California, Mexico, Sea of Cortez.