The Moorish idol (Zanclus cornutus), is a marine fish species, the sole extant representative of the family in order Perciformes. A common inhabitant of tropical to subtropical reefs and lagoons, the Moorish idol is notable for its wide distribution throughout the Indo-Pacific. It is considered one of the most beautiful coral reef fishes and a Moorish idol named Gill was one of Nemo's tank-mates. They have a habit of snacking on corals and sponges, as seen here.
The endangered humphead wrasse (Cheilinus undulatus) is a species of wrasse mainly found on coral reefs in the Indo-Pacific region. It is also known as the Māori wrasse, Napoleon wrasse, Napoleon fish, Napoleonfish. The humphead wrasse is the largest living member of the family Labridae and one of the largest fish in the world—growing over six feet long. It is easily identifiable by its thick lips, prominent bump on its forehead, and two black lines behind its eyes. The coloring of Humphead Wrasses can range from a dull blue-green to brilliant shades of green or purplish-blue. Humphead wrasses, like most wrasses, are protogynous hermaphrodites, meaning that they can function as members of both sexes over their reproductive lives and some of them will start as females. Later in life they may transition to males. Some of them live to be over 30 years old. They roam through coral reefs in search of hard shelled prey such as mollusks, starfish, or crustaceans.
The giant moray (Gymnothorax javanicus) is a species of moray eel and a species of marine fish in the family Muraenidae. In terms of body mass, it is the largest moray eel. It is widespread in the Indo-Pacific region living in lagoons and on the outer slopes of coral reefs, during the day it sits sheltered in crevices. The giant moray is carnivorous, it leaves its lair at night to actively hunt its prey along the reef. It mainly feeds on fish and occasionally on crustaceans. Moray eels' habit of keeping their mouth open is sometimes misinterpreted as a threatening posture but they are kind of shy and they would rather flee than fight.
