Balistoides viridescens
Giant triggerfish | Black-lipped Triggerfish | Blue-finned Triggerfish | Bluefin Triggerfish | Dotty Trigger-fish | Moustache Triggerfish | Titan Triggerfish
Similar Species
Same Genus
Distribution
Tropical Indo-Pacific
Description
Greyish body with light scale margins forming a crosshatch pattern, dark ‘moustache’ behind mouth, separating light chin from yellow cheek, white tail base and yellow rear tail with a black rear margin. Aggressive when nesting in coral rubble, confronting divers ferociously.
Information
Max Size: 75 cm
Sea Temperature Range: 22.4-31.7°C
Depth: 1-50m
Habitat Generalization Index: 7.37
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 (7.7% 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: Solitary (1 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields