Cirripectes castaneusis commonly referred to as Chestnut eyelash-blenny, Spotted-chin Blenny. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
Adult blennies occur in wave-swept algal ridge of outer reef flats.
Usually the fish is found on rocky and coralline substrates at depths less than 10 meters.
Cirripectes castaneus is normally seen in small loose groups spread over sections of reef.