These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...
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drawing of green, scaly fish against blue background© Apokryltaros/CC-BY-SA These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...
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