Chaetodon mertensii, Mertens' Butterflyfish : fisheries, aquarium

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Chaetodon mertensii Cuvier, 1831

Mertens' Butterflyfish
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Chaetodon mertensii   AquaMaps   Data sources: GBIF OBIS
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Image of Chaetodon mertensii (Mertens\
Chaetodon mertensii
Photo de Randall, J.E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> 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.

Environment: milieu / climate zone / profondeur / distribution range Écologie

marin récifal; non migrateur; profondeur 0 - 120 m (Ref. 1602). Tropical; 30°N - 33°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

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)

Description synthétique Clés d'identification | Morphologie | Morphométrie

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.

Biologie     Glossaire (ex. epibenthic)

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.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Distinct pairing (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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 2025-1)

  Préoccupation mineure (LC) ; Date assessed: 09 October 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur; Aquarium: Commercial
FAO - Publication: search | FishSource | Sea Around Us

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Écologie trophique
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Estimates based on models

Preferred temperature (Réf. 123201): 23.7 - 28.4, mean 26.8 °C (based on 202 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01426 - 0.03516), 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.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈
Catégorie de prix (Ref. 80766):   Unknown.
Nutrients (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);