Scarus trispinosus
Greenback parrotfish
Scarus trispinosus, Abrolhos Islands, Brazil, Photo: Graham Edgar
Scarus trispinosus, Abrolhos Islands, Brazil, Photo: Graham Edgar
Similar Species
Same Genus
Distribution
Localised
Description
Blue-grey with large obvious scales, some blue markings on head and a slightly protruding mouth. Juveniles are similarly coloured to adults but have a yellowish patch on nape. Similar S. coelestinus (Midnight Parrotfish) has a large pale blue area on throat. Endemic to Brazil.
Information
Max Size: 36 cm
Sea Temperature Range: 24.6-28.1°C
Depth: 1-45m
Habitat Generalization Index: N/A
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: Endangered
Occurrence: Infrequent (8.0% 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: Several (5 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields