Chromis weberi, Jervis Bay, NSW, Photo: Andrew Green
Chromis weberi, Adult, Naigani Is, Fiji, Photo: Andrew Green
Chromis weberi, NSW, Australia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
Grey/brown with two bars on cheek, black tips on tail, rounded anal fin, and black vertical bar across eye.
Information
Max Size: 14 cm
Sea Temperature Range: 22.0-31.4°C
Depth: 1-40m
Habitat: Coral Reef, Rocky Reef
Habitat Generalisation Index: 16.3
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: Frequent (18% 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 (61 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.