
Pennant coralfish
Heniochus acuminatus
Chaetodontidae

Heniochus acuminatus
Chaetodontidae
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Lives wild in Admiralty Is., American Samoa, Australia, Bahrain, Bangladesh, Brunei, Cambodia, China, and 57 more countries.
Inhabit deep, protected lagoons and channels, and the deeper parts of outer reef slopes. Juveniles are often solitary while adults occur in pairs. A planktivorous species that generally remains within a few meters of the reef. Juveniles may sometimes pick on parasites on the epidermis of other fish. Oviparous. Form pairs during breeding.
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.
What is different in a saltwater aquarium: salt, refractometer, live rock and corals. An introduction for anyone thinking of giving it a try.