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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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; non migratori; distribuzione batimetrica 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).
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 12.5 cm TL maschio/sesso non determinato; (Ref. 4859)
Spine dorsali (totale) : 12 - 14; Raggi dorsali molli (totale) : 21 - 23; Spine anali: 3; Raggi anali molli: 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.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Distinct pairing (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: scarso interesse commerciale; Acquario: Commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 23.7 - 28.4, mean 26.8 °C (based on 202 cells).
Indice di diversità filogenetica (Fonte Biblio.
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).
Livello trofico (Fonte Biblio.
69278): 3.0 ±0.41 se; based on food items.
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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Nutrienti (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\")
