Epinephelus ongus
Specklefin Grouper | Lace-finned Rockcod | Speckled-fin Rockcod | Wavy-lined Grouper | White-speckled Rockcod | White-streaked Grouper | White-streaked Rockcod
Similar Species
Same Genus
Distribution
Tropical Indo-Pacific
Description
Dark body, juveniles with white spots which darken and become smaller and more numerous with age, coalescing into scribbles on the rear of the body. Often with large pale blotches superimposed over white spotted pattern. Tail, dorsal and anal fin with black and white margin, tail fin rounded. Length to 40 cm.
Information
Max Size: 40 cm
Sea Temperature Range: 23.5-31°C
Depth: 5-25m
Habitat Generalization Index: 2.27
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: Least Concern
Occurrence: Infrequent (5.8% 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: Ian Shaw