Adults inhabit inshore and offshore coral reefs . Also found in harbors, lagoons and outer reef slopes. The only pomacentrid species that lacks a pelagic larval stage. One of the very few marine fishes where fry are guarded by the parents . School as they grow and sub-adults are usually seen in small groups. Adults form pairs and are territorial when breeding . Monogamous . Oviparous . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs .
Dorsal spines (total): 17; Dorsal soft rays (total): 14 - 16; Anal spines: 2; Anal soft rays: 14 - 16. : short and / or deep; Cross section: compressed.
Behavioural data for Spiny chromis is currently being reviewed.
Diet information for Spiny chromis is currently being compiled.
Oviparous, distinct pairing during breeding . Monogamous mating is observed as both obligate and genetic . Eggs are demersal and adhere to the substrate . Males guard and aerate the eggs . Does not have a juvenile bisexual phase and all males have the typical testicular morphology of gonochores .
Marine; reef-associated; non-migratory; depth range 1 - 65 m , usually 4 - 20 m . Tropical; 15°N - 26°S, 116°E - 169°E
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 21 records indexed .
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