Plectorhinchus caeruleonothus
Blue bastard | Plectorhinchus sp. [schotaf]
Same Genus
Distribution
Tropical Indo-Pacific
Description
Slate gray to blue-grey body, lateral line pale, and yellow around eye. Less strongly tapering body, thicker tail base and lower rear dorsal fin than Diagramma labiosum (Painted Sweetlips). Juveniles with thin light blue/white and yellow stripes, and broader dark brown stripes along body, yellow pectoral fin, and spotted or striped tail and rear of dorsal fin. Endemic to Australia. Previously known as P. schotaf, which is only found in Africa and the Middle East.
Information
Max Size: 100 cm
Sea Temperature Range: N/A
Depth: 0-80m
Habitat Generalization Index: 0.71
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: Infrequent (8.3% 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: RD Stuart-Smith, GJ Edgar, AJ Green, IV Shaw. 2015. Tropical Marine Fishes of Australia. Reed New Holland