Most do, but there are some here and there that do not. For example, the whale shark has thousands of tiny teeth but don’t/cannot use them. They also have bristles in their mouth that they use to trap plankton. Whale sharks swim with their mouths open to trap water, which is then passed through their gills. Gill rakers capture the nutrients, water passes through out the gills, and whatever is left is eaten but the largest creatures they get are squid or small fish.
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