Exallias obscurus Borodin, 1927 Cirripectes obscurus, the gargantuan blenny, is a species of combtooth blenny considered endemic to coral reefs in the Hawaiian island chain.

Cirripectes obscurus, lives in dark holes in the surf zone and is therefore rarely observed.

[4] Nuptial males have a vivid orange head and can reach up to eight inches in length.

[2] This species lives on shallow reefs and lagoons at depths ranging from 3 to 20 feet (1 to 6 meters).

Cirripectes obscurus, lives in dark holes in the surf zone and is therefore rarely observed.