>
Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: Chaetodon: Greek, chaite = hair + Greek, odous = teeth (Ref. 45335).
Eponymy: Karl Heinrich Mertens (1796–1830) was a German botanist, naturalist and explorer. [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; non migrateur; profondeur 0 - 120 m (Ref. 1602). Tropical; 30°N - 33°S
Pacific Ocean: Ryukyu Islands to the Philippines and extending to Lord Howe, Rapa and Tuamoto islands. Replaced by Chaetodon madagascariensis in the Indian Ocean, Chaetodon xanthurus in southeast Asia, and Chaetodon paucifasciatus in the Red Sea (Ref. 37816).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 12.5 cm TL mâle / non sexé; (Ref. 4859)
Épines dorsales (Total) : 12 - 14; Rayons mous dorsaux (Total) : 21 - 23; Épines anales: 3; Rayons mous anaux: 16 - 17. Body color is white with 4-5 chevron-shaped blackish bands on the sides. The posterior portion of the trunk, the adjacent dorsal and anal fins, and the posterior portion of the caudal fin are yellow. A vertical black bar runs (uninterrupted) across the eye (Ref. 4855). Snout length 2.3-3.0 in HL. Body depth 1.7-1.8 in SL (Ref. 90102).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabit deep lagoons and seaward reefs. Occur singly or in pairs. Feed on algae and small benthic invertebrates (Ref. 1602). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205). May hybridize with C. xanthurus. Minimum depth reported taken from Ref. 128797.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairing (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 23.7 - 28.4, mean 26.8 °C (based on 202 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01419 - 0.03532), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.0 ±0.41 se; based on food items.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
🛈
Nutriments (Ref.
124155): Calcium = 125 [63, 193] mg/100g; Iron = 0.954 [0.566, 1.634] mg/100g; Protein = 18.4 [17.2, 19.6] %; Omega3 = 0.135 [0.077, 0.235] g/100g; Selenium = 45.7 [23.5, 87.5] μg/100g; VitaminA = 44.8 [12.0, 164.6] μg/100g; Zinc = 1.68 [1.13, 2.46] mg/100g (wet weight);
![Image of Chaetodon mertensii (Mertens\](/images/thumbnails/jpg/tn_Chmer_u0.jpg "Image of Chaetodon mertensii (Mertens\")
