Chaetodon striatus

Chaetodontidae
Banded Butterflyfish, Banded Butterflyfish, Butterbun, Butterflyfish, Portugese Butterfly, School Mistress, Banded Mariposa
  • Chaetodon striatus, Adult, Bonaire, Photo: Rick Stuart-Smith
    Chaetodon striatus, Adult, Bonaire, Photo: Rick Stuart-Smith
  • Chaetodon striatus, Juvenile, Abrolhos, Bahia, Brazil, Photo: Graham Edgar
    Chaetodon striatus, Juvenile, Abrolhos, Bahia, Brazil, Photo: Graham Edgar
Distribution
Temperate northern Atlantic, Temperate South America, Tropical Atlantic/Caribbean
Description
Pale yellowish body with two broad dark bars on body, another on rear of dorsal fin onto tail base, and another over eye. Broad dark sub-marginal bands on median fins and pelvic fins half black.
Information
  • Max Size: 16 cm
  • Sea Temperature Range: 23.0-30.6°C
  • Depth: 3-55m
  • Habitat: Coral Reef, Rocky Reef
  • Habitat Generalisation Index: 7.8
    Also referred to as the SGI (Species generalisation index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here
Rarity
  • Threats: Habitat degradation
  • IUCN Threat Status: Least Concern
  • Occurrence: Frequent (18% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Few (2 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields
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