HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsSlender splitfin Slender splitfin (Luzonichthys microlepis) Scientific name: Luzonichthys microlepis Smith, 1955 The Slender splitfin (Luzonichthys microlepis) is a marine fish of the family Serranidae. Native range: Western Indian Ocean, Aldabra and Agalega Islands. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 15-16; Anal spines: 2 - 3; Anal soft rays: 8 - 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLuzonichthys microlepisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.3Depth range25–40 m (82–131 ft)EnvironmentMarine; reef-associated; depth range 25 - 40 mClimateTropicalDistributionWestern Indian Ocean: Aldabra and Agalega Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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