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And in Edgewater, Maryland, scientists at the Smithsonian Environmental Research Center examine the influences of climate change, excess nutrients, and surrounding habitats on mangroves
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Smithsonian Environmental Research Center

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Farther north, in Fort Pierce, Florida, researchers at the Smithsonian Marine Station focus on mangroves and other marine ecosystems of Florida.
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Smithsonian Marine Station

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Sarah Gotheil, from IUCN Global Marine Programme, snapped this photo in the course of her research into fragile species and ecosystems.
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Protecting Fragile Species

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An array of teeth from ragged tooth sharks.
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Smithsonian Shark Teeth collection

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A researcher leans off of a boat to tag a great white shark.
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Alison Kock tags a shark

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An aerial view of the rocky islands that make up the Gulf of the Farallones.
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Aerial photo of Farallones

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Dead sharks caught in fish net.
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Sharks caught in nets

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Newspapers with shark attack headlines in South Africa.
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Shark Attack Headlines

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A shark nursery in a lagoon in the Pacific.
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Baby sharks in lagoon

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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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X-ray Image of a Monterey Skate
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X-Ray Image of a Monterey Skate

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X-ray image of a winghead shark
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X-Ray Image of a Winghead Shark

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