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Why do fish have no teeth?

Updated: 10/9/2023
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13y ago

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Some whales have teeth (e.g. killer whales) and others have baleen (e.g. blue whales). Baleen works as a filter that catches small organisms as the water passes through it. Generally the whale will take in a large volume of water, close its mouth and force the water back out of the mouth (passing it through the baleen). What remains are the organisms the whale uses as its food resource.

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12y ago
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13y ago

Some fish DO have teeth - look at the mouth of a pike!

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15y ago

Just as a constrictor snake has small teeth for grasping the prey, the dolphin uses it's small teeth to stun, crush and guide the slippery food into its throat to swallow.

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7y ago

Whales and fish can certainly have teeth. Sharks are fish, and they have teeth. Piranhas are fish, they have teeth. Sperm whales have teeth. Pilot whales have teeth, Beluga whales have teeth.

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Q: Why do fish have no teeth?
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