Inhabits sheltered outer reef often associated with branching coral in about 15-45 m . Close relative of N. thoracotaeniatus .
Dorsal spines (total): 13; Dorsal soft rays (total): 13; Anal spines: 2; Anal soft rays: 13. : short and / or deep; Cross section: compressed.
Behavioural data for Eastern barhead damselfish is currently being reviewed.
Diet information for Eastern barhead damselfish is currently being compiled.
Reproduction data for Eastern barhead damselfish is currently being compiled.
Marine; reef-associated; depth range 10 - 45 m . Tropical
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