Chromis analis, Adult, Naigani Is, Fiji, Photo: Andrew Green
Chromis analis, Adult, Raja Ampat, Indonesia, Photo: Andrew Green
Chromis analis, Adult, Aceh, Indonesia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
Fins, and often whole body, bright yellow. Large, dark eye positioned close to snout. Steep outer reef slopes and drop-offs. Uncommon.
Information
Max Size: 17 cm
Sea Temperature Range: 23.2-30.5°C
Depth: 10-144m
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 1.9
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
Rarity
IUCN Threat Status: Not Evaluated
Occurrence: Infrequent (4% 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: Many (85 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.