
Striped eel catfish
Plotosus lineatus
Plotosidae

Plotosus lineatus
Plotosidae
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Lives wild in Australia, Bahrain, Cambodia, China, Comoros, Cook Islands, Fiji, Hong Kong SAR China, and 40 more countries.
Introduced to Egypt, Israel, Syria, and Türkiye.
Coastal benthic. The only catfish found in coral reefs. Also found in estuaries, tide pools and open coasts. Juveniles form dense ball-shaped schools of about 100 fish; adults are solitary or occur in smaller groups of around 20 and are known to hide under ledges during the day. Adults search and stir the sand incessantly for crustaceans, mollusks, worms, and sometimes fish. Oviparous, with demersal eggs and planktonic larvae. The highly venomous serrate spine of the first dorsal and each of the pectoral fins are dangerous, and even fatal in rare cases.
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.