Scientific Name
Acanthemblemaria atrata
Common Name
Cocos barnacle blenny
Biology
Dorsal
spines
(total): 22 - 25;
Dorsal
soft rays
(total): 11-14;
Anal
spines: 2;
Anal
soft rays: 23 - 26;
Vertebrae: 40 - 43. This species is distinguished by the following characters: 1-2 pairs of large iridescent blue spots on the upper lip; relatively small body size; 2 common pores (sensory pores between the mandibular and preopercular series); a closed wedge of spines on the posterior part of the frontal; 2 rows of interorbital spines, the outer one continuous; D XXII-XXV,11-14 (35-37 total dorsal-fin elements; A II,23-26 (Ref. 81029).