Collected from lagoon reefs with live and dead corals; usually at the base of live, branched Acropora .
Dorsal spines (total): 1; Dorsal soft rays (total): 25 - 26; Anal spines: 1; Anal soft rays: 17 - 18. Dorsal fin of males pale when preserved, with a large dark spot distally on anterior part of fin. Caudal vertebrae, 23-24 (usually 24). Lateral line scales usually 42-44. Posterior interorbital pores 34; total parietal pores 23-44, usually more than 30 .
Behavioural data for Anisochromis Mascarenensis is currently being reviewed.
Diet information for Anisochromis Mascarenensis is currently being compiled.
Reproduction data for Anisochromis Mascarenensis is currently being compiled.
Marine; reef-associated; depth range 0 - 18 m . Tropical Indian Ocean.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
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