Jawless Fish: History, Evolution and Present Forms
Over 500 million years ago, the first fish evolved. Most of these early fish are now extinct, but a few remain – lampreys and hagfish. These fish look...
Posted in Animals , Under The Sea Animals | Tags : Jawless Fish, all about jawless fish, interesting facts about jawless fish, jawless fish species, jawless fish facts, jawless fish facts for kids, parasite fish, undersea animal
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