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

    Megafishes Photos

    View photos of the world's largest freshwater fish fighting for survival, as pollution, overfishing, and construction threaten the rivers and lakes they call home.

  • 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: Great white shark and fish

    Great White Shark Pictures

    See close-ups of great white sharks lurking, hunting, and attacking. Download desktop wallpapers of these amazing, often misunderstood predators.

  • 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.

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From the Magazine

  • Photo: Two adult preen, Ireland

    Gannets Pictures

    Champion divers but clumsy landers, doting parents but hostile neighbors—northern gannets abound in contradictions.

  • Photo: Silent Ural owl

    Estonia's Ural Owls

    Photographer Sven Začek provides an intimate view of this large raptor.