Siganus trispilos, Ningaloo, WA, Photo: Rick Stuart-Smith
Siganus trispilos, Juvenile, Ningaloo, WA, Photo: Rick Stuart-Smith
Siganus trispilos, (Night Phase) Montebellos, WA, Australia, Photo: Graham Edgar
Three black markings on side make this species easily recognised.
Max Size: 25 cm
Sea Temperature Range: 21.4-31.5°C
Depth: 3-5 m
Habitat: Coral Reef
Habitat Generalisation Index: 3.8
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
IUCN Threat Status: Not Evaluated
Occurrence: Common (26% 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: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland