HomeMarine aquarium fishBasslets, cardinalfish & hawkfishHumpback grouper Humpback grouper (Cromileptes altivelis) Scientific name: Cromileptes altivelis Valenciennes, 1828 The Humpback grouper (Cromileptes altivelis) is a marine fish of the family Serranidae. BiologyGenerally inhabits lagoon and seaward reefs and are typically found in dead or silty areas. Also found around coral reefs and in tide pools. Growth is very slow. Feed on small fishes and crustaceans. Artificial spawning was accomplished by Tang et al. 1979 where eggs are buoyant, 0.80-0.83 mm in diameter with a single oil droplet; larvae died after 7 days. Juveniles are commonly caught for the aquarium trade while adults are utilized as a food fish. In Hong Kong live fish marketsSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCromileptes altivelisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Depth range2–40 m (7–131 ft)EnvironmentMarine; reef-associated; depth range 2 - 40 mClimateTropicalDistributionWestern Pacific: southern Japan to Palau, Guam, New Caledonia and southern Queensland, Australia. Eastern Indian Ocean: Nicobar Islands to Broome, Western Australia. Reports from western Indian Ocean (Heemstra and Randall 1984, 1986, and 4319 respectively) are unsubstantiated, except one from Kenya (Smith 1954, ) which seems valid. Records from Hawaii are probably based on released aquarium fishesConservation status (IUCN)Vulnerable (VU) (A4cd), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercial; aquarium: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniDarkfin hindCephalopholis urodetaVermilion hindCephalopholis oligostictaCoral hindCephalopholis miniataChocolate hindCephalopholis boenakPeacock hindCephalopholis argusSee all basslets, cardinalfish & hawkfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026