Rainbow cale

Heteroscarus acroptilus, the rainbow cale, is a species of weed whiting endemic to Australia where it is found in marine waters along the southern coast.^[3] It inhabits rocky reefs that have plentiful growth of brown algae and also in beds of seagrass, particularly those of the genus Posidonia.^[4] It occurs at depths of from 1 to 15 metres (3.3 to 49.2 ft). This species grows to a length of 24 centimetres (9.4 in) SL. It can also be found in the aquarium trade. This species is the only known member of its genus.^[2]

Rainbow cale
A male rainbow cale
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Labriformes
Family:	Labridae
Subfamily:	Hypsigenyinae
Genus:	Heteroscarus Castelnau, 1872
Species:	H. acroptilus
Binomial name
Heteroscarus acroptilus (J. Richardson, 1846)
Synonyms[2]
Scarus acroptilus J. Richardson, 1846 Odax acroptilus (J. Richardson, 1846) Heteroscarus filamentosus Castelnau, 1872 Heteroscarus modestus Castelnau, 1872 Pseudoscarus modestus Castelnau, 1875 Heteroscarus castelnaui W. J. Macleay, 1878 Heteroscarus elegans Steindachner, 1884 Heteroscarus tenuiceps De Vis, 1885 Heteroscarus macleayi McCoy, 1888