
Dwarf lionfish
Dendrochirus brachypterus
Scorpaenidae, Pteroinae

Dendrochirus brachypterus
Scorpaenidae, Pteroinae
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Lives wild in Australia, Guam, India, Indonesia, Japan, Malaysia, Maldives, Mayotte, and 11 more countries.
Common in reef flats and shallow lagoons, in areas with weed-covered rocks on sandy substrates. Adults often found on sponges and juveniles are sometimes found in small aggregations on remote bommies with 10 or so individuals. Nocturnal. Feeds on small crustaceans.
Temperament, fin nippers, fish that eat other fish, and fish that need the same water. And what the Harmony mark in the app means.
Bacteria that attack the fins, mouth and skin, nearly always after poor water. When water changes are enough, and when more is needed.
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.