• Photo: Close-up of a man with a giant catfish

    Megafishes Gallery

    See the World's "Monster" Fish

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Fish Features

  • Photo: Whale shark with small fish

    Sharks

    Learn all you wanted to know about sharks with videos, quizzes, puzzles, and more.

  • Photo: A blue-and-green sea anemone

    All About the Ocean

    Explore and discover the world's oceans like never before with facts, photos, news, video, and more!

  • Photo: Swedish net that captures numbers of eels

    Eels Photo Gallery

    The freshwater eel is one of the few fishes to spawn in the ocean and spend its adulthood in lakes, rivers, and estuaries.

  • Photo: An ocean sunfish or mola

    Mola (Sunfish)

    Find out why sunfish are often confused with sharks—and the ways in which the two are so drastically different.

  • Photo: Zebras splash through a river

    Coming This Fall

    Don't miss Great Migrations, a seven-part television event taking you around the world on the arduous journeys millions of animals undertake to ensure the survival of their species.

Animal News

  • The 'Tarzan' lizard.

    Tarzan Chameleon Found

    The discovery on Madagascar of the new species—given away by its flat snout—is a "Tarzan yell for conservation," a new study says.

  • A yellow-bellied three-toed skink.

    Lizard Evolving for Live Birth

    A skink species lays eggs on coasts but births babies in mountains, giving a glimpse of how placentas evolved, scientists say.

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Animals A-Z

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