Water: Take tap water, at least not over the mussels, and put a layer of sediment on the bottom of the tank for the mussels to live in. You can mix it with more fish to make sure the water is not lacking in oxygen.

Temperature: put it in a cool place, and don't expose it to the sun. In summer, it must avoid direct sunlight, or it will die easily.

Feeding: mussels have a wide range of food habits, mainly freshwater phytoplankton such as diatoms and nudibranchs, zooplankton such as rotifers and flagellates, and the decayed debris of other aquatic plants and crustaceans can also be fed.

Expanded Information

In the natural environment, mussels generally live in rivers, lakes, ponds, streams and other muddy, sandy or gravel. In winter and spring when it is cold, the use of axe feet digging mud fen, so that part of the mussel body buried in the mud and sand, anterior abdominal edge down, dorsal edge of the back upward; only the back edge of the shell part of the respiratory feeding. When it is hot, most of them are exposed outside the mud. Toothless mussels generally live in the muddy bottom, pH value of 5 to 9 in still water or slow-flowing fertile water.

The clam's ability to act is very weak, when the environment is calm, by the ligament pulling, emblem slightly open double shell, slowly extend the axe foot. Generally, the axe foot to the front of the shell out, and fixed on the mud, and then contract the clam body to move forward. This crawl is very slow, usually only a few centimeters a minute forward. Where the mussel body through the place are left a shallow groove. When the clam meets the enemy, the axe foot quickly retracted, the closed shell muscle at the same time sharp contraction, double shell tightly closed to defend against external enemies.

Baidu Encyclopedia - Mussels (Mollusca)