The Foxface Rabbitfish is a bright yellow medium-sized fish, usually attaining an average size of 23 cm (9 in) in length The head and front portion of its body is striped black-brown and white. They retain this bright coloring throughout the day, and during the night or when stressed, like many other fishes, they have the ability to change into a mottled dark brown color. This is most likely used as a camouflage against predators, and upon waking, their bright colors almost immediately return They have a long snout-like mouth that is used for feeding on algae and other vegetation, with the snout being particularly handy for reaching into crevices.
Caution should be used with this fish: like in all rabbitfishes, all of the dorsal, pectoral and anal fins have venomous spines A wound from any of them can be, at the least, very painful
To prevent injury when working in an aquarium with a rabbitfish, it is a good idea to wear thick rubber gloves or somehow isolate it to one side of the aquarium temporarily Despite the danger of the venomous fins, the Foxface Rabbitfish is generally timid and will usually retreat behind some rocks when approached or you stick your arm in an aquarium Most injuries occur when people attempt to handle the fish without wearing gloves or stick their hand in the aquarium while feeding.