Actinopteri (ray-finned fishes) > Acanthuriformes
(Surgeonfishes) > Pomacanthidae
Etymology: Apolemichthys: Greek, apolemos, -os,-on = quiet, peaceful + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; non-migratory; depth range 3 - 8 m (Ref. 37816), usually - m (Ref. ). Tropical; 0°C - ; 5°N - 3°S
Pacific Ocean: Gilbert Islands to the Line islands. Reported from Kapingamarangi Atoll (eastern Caroline Islands), Nauru, Canton (Phoenix Islands), Howland, Baker, and Fanning (Line Islands) Atolls.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 9710)
soft rays: 17 - 19. Body brownish yellow with numerous bright lemon yellow spots; head yellow, the snout purplish, forehead with a black spot about equal to eye diameter; the dorsal, caudal, and anal fins black with bright blue margin.
Encountered in channels and outer reef slopes (Ref. 1602), and drop offs at depths of 10-65 m. Feeds on sponges and tunicates. Solitary, pairs or in small groups. Occasionally exported through the aquarium trade (Ref. 48391).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany. (Ref. 4858)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 27.9 - 29.5, mean 29 °C (based on 57 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03311 (0.01551 - 0.07068), b=2.88 (2.70 - 3.06), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.6 ±0.00 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (37 of 100) .
Nutrients (Ref. 124155
): Calcium = 47.2 [28.0, 74.9] mg/100g ; Iron = 0.573 [0.372, 0.916] mg/100g ; Protein = 18.5 [17.4, 19.7] % ; Omega3 = 0.12 [0.08, 0.18] g/100g ; Selenium = 27 [15, 50] μg/100g ; VitaminA = 67.4 [19.3, 229.9] μg/100g ; Zinc = 1.34 [0.88, 1.98] mg/100g (wet weight);