What do sturgeon eat?

Small sturgeon eat very small organisms & larvae. As they mature they will eat almost anything such as: decaying matter/fish, mollusks, crustaceans, shrimp, crayfish, snails, clams, muscles, insects, worms, eggs of other fish mainly salmon, worms, some aquatic plants. Small fish such as herring, smelt, sunfish, bass, trout & shad, but also salmon. They like squid and are known to eat mice, rats, & frogs.

Mainly dead or alive stuff that is on the bottom but they will pursue live fish and may even feed on the carcass of other sturgeon.