Adults inhabit sheltered fringing reefs, usually in bays at depths between about 3-20 m. They usually occur in small aggregations and is closely associated with branching formations of live coral, particularly Acropora spp. and the pocilloporid Seriatopora hystrix. This species hover a short distance above the substratum, presumably feeding on zooplankton . Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .
Dorsal spines (total): 8; Dorsal soft rays (total): 9 - 10; Anal spines: 2; Anal soft rays: 11 - 12.
Behavioural data for Arnaz's damselfish is currently being reviewed.
Diet information for Arnaz's damselfish is currently being compiled.
Oviparous, distinct pairing during breeding . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .
Marine; reef-associated; depth range 3 - 20 m . Tropical; 0°S - 5°S, 130°E - 151°E Pacific Oceans: Indonesia and Papua New Guinea (Ref.
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