
Saddle butterflyfish
Chaetodon ephippium
Chaetodontidae

Chaetodon ephippium
Chaetodontidae
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Lives wild in American Samoa, Australia, China, Christmas Island, Cocos (Keeling) Islands, Cook Islands, Fiji, France, and 22 more countries.
Occur in lagoons and seaward reefs to a depth of 30 m, prefer coral-rich and clear water areas. Benthopelagic. Encountered singly, in pairs or small groups (adults often in pairs; juveniles solitary and inshore). Feed on filamentous algae, small invertebrates, coral polyps, and fish eggs. 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.