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BiologyFound in shallow and protected inshore reefs with sparse coral and rich algae growth (Ref. 48636). Also found in coral reef crevices. Feed on algae and detritus. Oviparous (Ref. 205). Eggs are demersal and adhesive (Ref. 205). Usually occur in small loose groups but are shy species and are easily missed by divers that are not on the look-out for blennies (Ref. 48636). Collected from water shallower than 10 m to as great as 18 m in the Ninigo Islands.