HomeFish encyclopediaRay-finned fishesPerch-like fishFusiliersMarr's fusilier Marr's fusilier (Pterocaesio marri) Scientific name: Pterocaesio marri Schultz, 1953 The Marr's fusilier (Pterocaesio marri) is a marine fish of the family Caesionidae. Native range: Indo-Pacific, East Africa, not including the Red Sea or the Arabian (Persian) Gulf, to the Marquesan Islands. BiologyDorsal spines (total): 10 - 11; Dorsal soft rays (total): 14-16; Anal spines: 3; Anal soft rays: 11 - 13. Upper body blue to greenish, lower whitish. 4-6 cheek scales; 24-32 predorsal rays; scaled dorsal and anal fins. Upper peduncular scale rows usually 12 or 13 (12-14); lower peduncular scale rows usually 16 or 17 (15-17). Post maxillary processes 2; posterior end of maxilla tapered. The process on ventrolateral surface of basioccipital for attachment of Baudelot's ligament not extending beyond a horizontal with condyle's rim.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePterocaesio marriFamilyCaesionidae (Fusiliers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range9–14 m (30–46 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 9 - 14 mClimateTropicalDistributionIndo-Pacific: East Africa, not including the Red Sea or the Arabian (Persian) Gulf, to the Marquesan Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; bait: occasionallyResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026