Anampses twistii
Yellowbreast Wrasse | Twister Wrasse
Distribution
Tropical Indo-Pacific
Description
Dark red-brown body, yellow breast, fine blue spots aligned in rows along body and dorsal, anal and tail fins, pair of ocelli on rear of dorsal and anal fins, and tail semi-translucent. Juveniles pale brown with blue blotches on body and ocelli on fins. Usually solitary.
Information
Max Size: 18 cm
Sea Temperature Range: 22.8-31.2°C
Depth: 3-30m
Habitat Generalization Index: 13.41
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: Frequent (19.3% 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: Few (2 per transect)
Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: extract from RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland