Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Pomacanthidae
Etymology: Genicanthus: Greek, geny, -yos = face, jaw + Greek, akantha = thorn (Ref. 45335). More on author: Randall.
Environment / Climate / Range
Marine; reef-associated; non-migratory; depth range 30 - 60 m (Ref. 48391). Subtropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 4858)
Eastern Pacific: Cook Islands to Ducie Atoll (Pitcairn).
Inhabits rock and coral reef at depths of 30 to at least 60 m. Occurs in aggregations that swim high above the bottom; harems of 2-5 individuals. Feeds mainly on zooplankton, although some benthic material is probably consumed (Ref. 4858). Almost never exported through the aquarium trade (Ref. 48391).
Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany.
IUCN Red List Status (Ref. 90363)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03071 (-0.12774 - 0.18916), b=2.88465 (2.79226 - 2.97705), based on LWR estimates for this family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.45 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .