cmarzano updated Blue Tang
2015-05-19 23:04:16 -0700
_**Paracanthurus hepatus**_ is a species of Indo-Pacific surgeonfish. A popular fish in marine aquaria, it is the only member of the genus _**Paracanthurus**_. A number of common names are attributed to the species, including **regal tang**, **palette surgeonfish**, **blue tang** (leading to confusion with the Atlantic _Acanthurus coeruleus_), **royal blue tang**, **hippo tang**, **flagtail surgeonfish**, **pacific regal blue tang** and **blue surgeonfish**. Description _Paracanthurus hepatus_ has a royal blue body, yellow tail, and black 'palette' design. The lower body is yellow in the west-central Indian Ocean. It grows to 30 cm (12 in.). This fish is rather flat, like a pancake, with a circular body shape, a pointed snout-like nose, and small scales. The blue tang has 9 dorsal spines, 26-28 dorsal soft rays, 3 anal spines, and 24-26 anal soft rays. Ecology