Freshwater invertebrates include clams, shrimp, lobsters, crabs, and snails. Prices will vary depending on how rare the crustacean may be, but all these invertebrates add another dimension to the fish tank, and most are great scavengers, doing their part to keep the aquarium clean naturally.

In the aquarium environment please keep in mind that crustaceans cannot tolerate most medications and need to be removed when a tank is getting treated.