
Golden trevally
Gnathanodon speciosus
Carangidae, Caranginae

Gnathanodon speciosus
Carangidae, Caranginae
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Lives wild in American Samoa, Australia, Bahrain, Bangladesh, Brunei, Cambodia, Chile, China, and 70 more countries.
Adults occur in deep lagoon and seaward reefs where they feed by rooting for crustaceans and fossorial invertebrates in the sand but they also feed on small fishes. Small juveniles live among the tentacles of jellyfish. Adults form schools and are also noted for their behavior to closely swim around sharks and other large fishes, and also follow divers. Juveniles particularly display this piloting behavior to gain protection from likely predators. Marketed fresh and salted or dried. Juveniles are used in the aquarium trade. 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.