Pycnochromis dimidiatus
Chocolate-dip chromis | Chromis dimidiata
Similar Species
Distribution
Localised
Description
This species is restricted to the Red Sea. Populations in the Indian Ocean are now considered a separate species, Pycnochromis fieldi, which has a more curved demarcation between white and black parts of the body (such that the white often covers more of the dorsal spines).
Information
Max Size: N/A cm
Sea Temperature Range: 21.5-32.9°C
Depth: 1-36 m
Habitat Generalization Index: 23.87
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: Widespread (81.3% 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: Large aggregations (193 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Rick S-S