Bait is something used to attract prey. People have used it for thousands of years. Fishermen use bait to catch fish. There are many different types of bait depending on the kind of animal. Frequently the bait is cast using a fishing rod and reel. For a shark, adult squid is often used. When trying to get a salmon, crab is commonly used. Some fishermen use plastic bait. Recently, fishermen have been using electronic lures. Bait can be used to catch most animals.