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Shark Sizes: Whale Shark 46 feet, Basking Shark 33 feet, Great White Shark 23 feet, Megamouth Shark 15 feet, Nurse Shark 13 feet, Mako Shark 8 feet, Blacktip Reef Shark 6.5 feet, Bonnethead Shark 3.4 feet, Dwaf Lantern Shark 6 inches
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What is the Biggest Shark? A Chart Shows the Diversity of Shark Sizes

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Photo of a sperm whale just below the water's surface.
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Sperm Whale, Dominica

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Smithsonian Zoologist Dr. Clyde Roper in front of the museum's stored cephalopod collection.
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Smithsonian Cephalopod Collection

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A transparent amphipod looks a bit like a lobster, surrounded by white eggs.
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Amphipod: Salp Invader

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Jellyfish are transparent and made up of 95 percent water, so you’d think there isn’t much to them. But you’d be wrong. Jellyfish are more complex than you’d think—and one of their most fascinating parts is their stinging cells.
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How Do Jellyfish Sting?

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A screen shot from video "From Despair to Repair" showing a black and white image of a coral reef in 1975.
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From Despair to Repair

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This 1874 illustration of California gray whales (Eschrichtius robustus) shows a group of individuals at the edge of their modern day range in the North Pacific Ocean, blocked from traveling further east into Arctic waters by thick ice barriers.
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California Grays Among the Ice

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The Galapagos Islands site in Ecuador was inscribed on the World Heritage List in 1978. Located in the equatorial Pacific Ocean nearly 1000 km from South America, the Galapagos Islands and the surrounding marine reserve are a unique "living museum and show
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Sally Lightfood Crab, Galápagos Islands, Ecuador

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A male surfer catching a wave in Hawaii
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Inside the Wave, Makena Beach, Maui

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Penguins standing on ice.
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Animals of the Ice

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Screen shot of "Sea Grapes: A Google Earth Tour" with aerial view of the Earth in Google Earth.
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Sea Grapes: A Google Earth Tour

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