Thalassoma lucasanum
Encyclopedia
Thalassoma lucasanum, or the Cortez rainbow wrasse , is a species of fish
in the Labridae family. They are easily recognizable because of their rainbow coloring.
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...
in the Labridae family. They are easily recognizable because of their rainbow coloring.