Gracila albomarginata
Thinspine Grouper | Masked Grouper | Red-edged Rockcod | Rededged Cod | Slenderspine Grouper | Thinspine Rockcod | White-margined Grouper | White-square Grouper
Similar Species
Distribution
Tropical Indo-Pacific
Description
Grey-green body with a blue-edged dark mask over eye, white tail base with central black spot (can be darkened), large grey to white saddle on a black back, and sides often with slightly curved dark bars. Juvenile bright purple and similar to Pseudanthias species (Basslets), with red dorsal and anal fins and upper and lower tail margins. Length to 40 cm.
Information
Max Size: 40 cm
Sea Temperature Range: 25.6-31.2°C
Depth: 6-120m
Habitat Generalization Index: 1.54
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: Data Deficient
Occurrence: Infrequent (4.7% 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