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Chaetodon xanthurus Bleeker, 1857

Pearlscale butterflyfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Chaetodon xanthurus   AquaMaps   Data sources: GBIF OBIS
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Image of Chaetodon xanthurus (Pearlscale butterflyfish)
Chaetodon xanthurus
Picture by Muséum-Aquarium de Nancy/B. Alenda


Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from southern Taiwan (including Hsiao-liu-chiu) and from the Penghu (Ref. 55073) and Green islands (Ref. 48451).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Shao, K.-T., S.-C. Shen, T.-S. Chiu and C.-S. Tzeng, 1992
National Database: The Fish Database of Taiwan

Common names from other countries

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).
  More on author: Bleeker.

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

marin récifal; profondeur 6 - 50 m (Ref. 37816).   Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Indonesia and the Philippines, north to the Ryukyu Islands (Ref. 9710).

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL mâle / non sexé; (Ref. 4858)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 12 - 14; Rayons mous dorsaux (Total): 20-23; Épines anales 3; Rayons mous anaux: 15 - 17.

Biologie     Glossaire (ex. epibenthic)

Clear coastal to outer reef slopes and drop-offs (Ref. 48636). Found around staghorn corals. The only member of the family with a crosshatch pattern of dark lines on the sides. Generally seen below 15 m depth and occurs singly or in pairs. Feed on small benthic invertebrates and algae, similar to C. mertensii (Ref. 37816). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).

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

Distinct pairing (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Allen, G.R., 1985. Butterfly and angelfishes of the world. Vol. 2. 3rd edit. in English. Mergus Publishers, Melle, Germany. (Ref. 4858)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 08 October 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Aquarium: Commercial
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 25.3 - 29, mean 28.1 (based on 394 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [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).
Niveau trophique (Ref. 69278):  2.8   ±0.26 se; based on food items.
Résilience (Ref. 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).