
Bearded ghoul
Inimicus didactylus
Synanceiidae, Choridactylinae

Inimicus didactylus
Synanceiidae, Choridactylinae
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Lives wild in Australia, Cambodia, China, Fiji, India, Indonesia, Japan, Malaysia, and 11 more countries.
Found on open sandy or silty substrates of lagoon and seaward reefs. Often buries itself and easily overlooked. Uses pectoral fins to startle predators and shows color during courtship. Feeds on small fishes and crustaceans. The venom of this fish can be deadly to man. Its ability to camouflage itself by living half-buried presents a real danger. Solitary on sand and mud bottoms (Ref 90102).
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.