Adults inhabit lagoons and silty coastal reefs at 1-10 m deep, and found solitary or in small groups on coral outcrops . Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters .
Dorsal spines (total): 12; Dorsal soft rays (total): 14 - 15; Anal spines: 2; Anal soft rays: 16; Vertebrae: 31 - 32. : elongated.
Behavioural data for Collette's coralblenny is currently being reviewed.
Oviparous, distinct pairing .
Marine; reef-associated; depth range 0 - ? m , usually 0 - 15 m . Tropical Central Pacific: endemic in Papua New Guinea.
The following diseases are known to affect Collette's coralblenny.
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