Balistapus undulatus
Striped triggerfish | Orange-lined Triggerfish | Orangestripe Triggerfish | Red-lined Triggerfish | Undulate Triggerfish
Distribution
Tropical Indo-Pacific
Description
Thin diagonal orange stripes on green background, with a yellow tail, orange pectoral fin and a large black spot on tail base. Tail base spot replaced by small black spines on Indian Ocean fish. Retreats into cracks and crevices in the reef when approached.
Information
Max Size: 30 cm
Sea Temperature Range: 24-31.4°C
Depth: 2-50m
Habitat Generalization Index: 20.19
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: Common (36.9% 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