Occurs in association with limestone outcroppings on steep slopes and the type specimens were collected in an area with broken limestone rubble . FishBase common name coined by authors.
Dorsal spines (total): 13; Dorsal soft rays (total): 17 - 19; Anal spines: 3; Anal soft rays: 15; Vertebrae: 24. This species is distinguished by the following set of characters: D XIII, 17-19; A III,15; head 2.48-2.49 in SL; body depth 1.71-1.76 in SL; length of pelvic-fin spine 4.18-4.46 in SL. Colour of body white with three broad dark brown bands, the first intersecting the eye .: short and / or deep; Cross section: compressed.
Behavioural data for Twin butterflyfish is currently being reviewed.
Diet information for Twin butterflyfish is currently being compiled.
Reproduction data for Twin butterflyfish is currently being compiled.
Marine; demersal; depth range 110 - 150 m . Tropical Central Pacific: Caroline Is.
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