Emblemaria walkeri

Emblemaria walkeri, the elusive signal blenny, is a species of chaenopsid blenny found in the Gulf of California, in the eastern central Pacific ocean. It can reach a maximum length of 6.5 cm TL. This species feeds primarily on zooplankton. The specific name honours fisheries biologist Boyd W. Walker (1917-2001) of the University of California, Los Angeles.