Chaetodon mertensii

Chaetodontidae
Mertenss Butterflyfish, Atoll Butterflyfish, Merten's Butterflyfish
  • Chaetodon mertensii, Adult, Lord Howe Is, Australia, Photo: Andrew Green
    Chaetodon mertensii, Adult, Lord Howe Is, Australia, Photo: Andrew Green
  • Chaetodon mertensii, Juvenile, NSW, Australia, Photo: Ian Shaw
    Chaetodon mertensii, Juvenile, NSW, Australia, Photo: Ian Shaw
  • Chaetodon mertensii, Adult, NSW, Australia, Photo: Ian Shaw
    Chaetodon mertensii, Adult, NSW, Australia, Photo: Ian Shaw
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Black chevron markings on white, with yellow-orange rear body, white tail base and black band through eye. C. xanthurus in SE Asia has netted pattern on sides.
Information
  • Max Size: 13 cm
  • Sea Temperature Range: 19.1-29.5°C
  • Depth: 10-120m
  • Habitat: Coral Reef, Rocky Reef
Rarity
  • Threats: Exploitation, Habitat degradation
  • IUCN Threat Status: Least Concern
  • Occurrence: Common (20% 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:
Report an Error
Further Information:

Please use this form only for a single type of error. If you see multiple errors on the page for this species, please report these in separate forms by clicking on this button again after submitting this form


Thank you for highlighting this error. We appreciate your assistance in maintaining high quality control standards

Copyright Reef Life Survey 2019
Made by Forte Web Design
Forte Web Design support RLS
Supported by The Ian Potter Foundation