• 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: 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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  • Photo: Harlequin colored Great Dane

    How to Build a Dog

    Scientists have found the secret recipe behind the spectacular variety of dog shapes and sizes, and it could help unravel the complexity of human genetic disease.

  • Photo: Bloodhound, German shorthaired pointer, and Sussex spaniel

    Dog DNA Photo Gallery

    Scientists have found the secret recipe behind the spectacular variety of dog shapes and sizes, and it could help unravel the complexity of human genetic disease.