Teleostei (teleosts) > Acanthuriformes (Surgeonfishes) > Chaetodontidae (Butterflyfishes)
Etymology: Chaetodon: Greek, chaite = hair + Greek, odous = teeth (Ref. 45335).
More on authors: Quoy & Gaimard.

Marine; reef-associated; depth range 0 - 60 m (Ref. 128797); tropical; 37°N - 32°S95°E - 134°W.

Pacific Ocean: widespread from Japan and Australia to the Tuamoto Islands and Hawaii. Replaced by Chaetodon trifasciatus in the Indian Ocean (Ref. 37816). DNA (from tissue samples) expected to further distinguished Chaetodon lunulatus and Chaetodon trifasciatus (Ref. 86689).

Maturity: L_m ?, range 8 - 8 cm
Max length: 26.7 cm TL male/unsexed (Ref. 124696); max. published weight: 191.24 g (Ref. 124696); max. reported age: 12 years (Ref. 56281).

Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 20 - 22; Anal spines: 3; Anal soft rays: 18 - 21. Description: Dorsal light pink, shading to yellowish ventrally, stripes diagonal almost horizontal, purple; head yellow, eye bar black with yellow margin; broad black stripe with yellow margin across dorsal, anal and caudal fins; dorsal and anal fins red on outer edge with black margin (Ref. 90102). Distinguished by grey caudal peduncle (Ref. 48636). Snout length 3.0-3.8 in HL. Body depth 1.5-1.8 in SL (Ref. 90102).

Occur in monogamous pairs in coastal coral-rich areas (Ref. 47838, 48636). Juveniles hide among branches of small corals, often in lagoons (Ref. 9407). Benthopelagic (Ref. 58302). Feed solely on live corals (Ref. 47838). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).

Pairs form upon maturation for breeding purposes (Ref. 56281).

Allen, G.R., R. Steene and M. Allen 1998 A guide to angelfishes and butterflyfishes. Odyssey Publishing/Tropical Reef Research. 250 p. (Ref. 47838)

  Least Concern (LC); date assessed: October 07 2009

Not Evaluated

Not Evaluated

  Harmless

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Preferred temperature (Ref. 123201): 24.7 - 29.3, mean 28.3 °C (based on 1779 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02291 (0.01133 - 0.04632), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.6 se; Based on food items.

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing vulnerability (Ref. 59153): Low vulnerability (17 of 100).

Nutrients (Ref. 124155): Calcium = 146 [71, 260] mg/100g; Iron = 1.15 [0.64, 2.07] mg/100g; Protein = 18.7 [17.4, 19.9] %; Omega3 = 0.117 [0.060, 0.229] g/100g; Selenium = 44.1 [20.5, 94.6] μg/100g; VitaminA = 30.4 [7.8, 118.9] μg/100g; Zinc = 1.79 [1.12, 2.78] mg/100g (wet weight);