
Wedgetail triggerfish
Rhinecanthus rectangulus
Balistidae

Rhinecanthus rectangulus
Balistidae
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Lives wild in American Samoa, Australia, China, Christmas Island, Cocos (Keeling) Islands, Cook Islands, Egypt, Fiji, and 33 more countries.
Occur in shallow outer reefs subject to surge. Commonly found over barren rock or the spur-and-groove zone where there is a mixture of bare rock, rubble, and coral. Juveniles on algae reef. Benthopelagic. Feed on algae, detritus, mollusks, crustaceans, worms, echinoderms, fishes, sponges, foraminiferans, and eggs. Territorial. Oviparous. Also taken by drive-in nets. Minimum depth reported taken from Ref. 128797.
Temperament, fin nippers, fish that eat other fish, and fish that need the same water. And what the Harmony mark in the app means.
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.