Rhinecanthus aculeatus
Picasso triggerfish | Black-barred Triggerfish | Blackbar Triggerfish | Hawaiian Triggerfish | Lagoon Humu | Lagoon Triggerfish | Painted Trigger | Picasso Fish | Striped Triggerfish | White-barred Triggerfish | Whitebanded Triggerfish
Similar Species
Distribution
Tropical Indo-Pacific
Description
Abstract paint job with yellow streak behind mouth, black patch bordered with white on tail base, oblique black stripes on rear belly, thin blue vertical lines passing eyes, and oblique brown patch forward from start of dorsal fin.
Information
Max Size: 30 cm
Sea Temperature Range: 22.4-30.8°C
Depth: 0-50m
Habitat Generalization Index: 7.86
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.
Conservation and Rarity
IUCN Status: Not Evaluated
Occurrence: Infrequent (4.2% 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: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland