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Chaetodon fasciatus  Forsskål, 1775

Diagonal butterflyfish
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Native range | All suitable habitat | Point map | Year 2100
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Chaetodon fasciatus   AquaMaps   Data sources: GBIF OBIS
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Image of Chaetodon fasciatus (Diagonal butterflyfish)
Chaetodon fasciatus
Picture by Field, R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Chaetodontidae (Butterflyfishes)
Etymology: Chaetodon: Greek, chaite = hair + Greek, odous = teeth (Ref. 45335).   More on author: Forsskål.

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 2 - 25 m.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: known only from the Red Sea. Reported from the Gulf of Aden.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm TL male/unsexed; (Ref. 9710); common length : 15.0 cm TL male/unsexed; (Ref. 5450)

Biology     Glossary (e.g. epibenthic)

Commonly found on reef flats (Ref. 9710). Usually solitary or in pairs in areas with rich coral growth. Monogamous (Ref. 52884). Feed mainly on coral polyps (Ref. 4858). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01138 - 0.04611), b=3.01 (2.84 - 3.18), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.3   ±0.61 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (17 of 100) .