Adults are found in various reef habitats to about 15 m depth. Usually seen resting on corals or on rocks . Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .
Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 17. Pectoral-fin rays 15-16, at least some branched; caudal peduncle with distinct dark bar or marking; body with well defined vertical or oblique dark bars; pored lateral-line scales 13-16 (usually 15-16); anal fin rays 17; body bars oblique; second dorsal fin without black spot; caudal peduncle bar narrow, lying at base of caudal peduncle; anal fin with 6-7 dark basal spots, which are dark blue in life.: elongated.
Behavioural data for Banded triplefin is currently being reviewed.
Diet information for Banded triplefin is currently being compiled.
Reproduction data for Banded triplefin is currently being compiled.
Marine; reef-associated; depth range 1 - 25 m . Tropical West Pacific: East Africa to Papua New Guinea and the Solomon Islands, north to Taiwan.
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