Chaetodon mesoleucus also known as the White Fronted Butter Flyfish, Emperor Butterflyfish or Red Sea Butterflyfish and can be found in the waters of Indonesia, Malaysia, Philippines, Papua New Guinea, Solomon Islands, South-west Japan and Northern Australia.
The body of the Chaetodon mesoleucus is purple-grey in colour with white vermiculations. The tail is coloured yellow and there is a white to yellow patch behind the head. There is a black bar extending vertically through the eye. It is often found in pairs on coral reefs down to depths of at least 25 metres however it can be solitary.
The White Fronted Butter Flyfish grows to a maximum length of approximately 18cm.
The young Chaetodon mesoleucus are very similar to the adults and It is relatively easy to acclimatize if it is first fed live prey; it will then go on to accept artificial food.
Butterflyfish are not recommended for reefs as they will pick at or eat a wide variety of corals, fan worms, and other invertebrates. Most Butterflyfish are known to pick at Aiptaisia, a parasitic anemone.
A fairly easy and hardy species. Young ones are the most easily adapted to aquarium life. Will eat gut loaded brine shrimp, pods, and corals. As always with most butterflyfishes, it is best to put into quarantine in order to get it eating different foods, and to get it used to humans (as well as to be sure it is disease-free). More are finding their way to the Western Hemisphere in the hobby trade.
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