Hypoplectrus unicolor

Common Name

Butter Hamlet

Year Described

Walbaum, 1792


Dorsal Fin: X
Anal Fin: III, 7
Pectoral Fin:
Pelvic Fin: I, 5
Lateral Line: 48-53
Gill Rakers:


Body pearly white, grading to gray, purplish, or bluish above. The ventral body and head have a strong yellow wash. A black blotch on the caudal peduncle is distinctive. Another blotch is variably expressed on the snout, as well as blue lines and spots. Dorsal fin body colored with yellow anteriorly. Pelvic and anal fins yellowish.