Within the family acanthuridae (Tang), there a handful that rightly show up as brilliant beauties. The blue tang is amongst other tangs that are consistently treasured for their outstanding colors along with their well-known cousin, the yellow tang. These two major surgeonfish are the faces of the surgeonfish family of fish, as a result, they are exceedingly recognizable among marine aquarium enthusiasts.

The Blue Tang (Paracanthurus Hepatus) with the yellow tang (Zebrasoma Flavescens), percula clownfish (Ocellaris, Percula), royal gramma (Gramma Loreto) and the flame angels (Centropyge Loriculus) make up the 5 most familiar marine fish in the marine aquarium hobby. It is seen as the sole species under the genus Paracanthurus. Its body is a eye-catching bright blue while it has broad black markings that stretch out out from its eyes to its tail.