Actinopteri (ray-finned fishes) >
Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: Heniochus: Greek, enioi, -ai, -a = sometimes, some + Greek, oche = food (Ref. 45335). More on author: Jordan.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; non-migratory; depth range 5 - 210 m (Ref. 9710), usually 5 - 30 m (Ref. 90102). Subtropical; 0°C - ; 30°N - 30°S
Indo-Pacific: Red Sea and South Africa to warm-temperate Australia and the Hawaiian Islands.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm TL male/unsexed; (Ref. 48636)
Occur primarily along outer reef slopes, in current channels. Juveniles in aggregations around isolated patch reefs, adults in large schools well above the bottom (Ref. 9710). In Indonesia, adults most common in depth 40-50 m, reported to 200 m (Ref. 48636). Benthopelagic (Ref. 58302). Feed on plankton. Juveniles may act as cleaners (Ref. 9710); also observed in adults (Ref. 48636). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Form pairs during breeding (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 124695)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
More information
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 19.1 - 28.1, mean 26.1 °C (based on 501 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01117 - 0.04486), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.45 se; based on food items.
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (16 of 100) .
Nutrients (Ref.
124155): Calcium = 47.9 [24.9, 95.4] mg/100g ; Iron = 1.3 [0.7, 2.3] mg/100g ; Protein = 19.6 [18.4, 20.7] % ; Omega3 = 0.217 [0.120, 0.404] g/100g ; Selenium = 14.3 [6.6, 30.1] μg/100g ; VitaminA = 44.8 [11.3, 170.9] μg/100g ; Zinc = 0.88 [0.54, 1.46] mg/100g (wet weight);