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Squalicorax shark fossil from the Smithsonian
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Squalicorax Shark Fossil

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A ribbon worm curled up in a mud flat.
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A Ribbon Worm From the Mud Flats

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The fringed baleen plates are easy to observe as this North Atlantic right whale skims the water’s surface while it feeds.
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Baleen in Action

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Two baby olive ridley sea turtles.
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Baby Sea Turtles in Jalisco, Mexico

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A map that shows wind and current patterns of Belize, Guatemala and Honduras.
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A Possible Pathway for the Pumice

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Scientists document a direct relationship between Arctic sea ice and polar bear survival.
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Forecast for Polar Bear Populations

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Leatherback turtles (Dermochelys coriacea) are the largest sea turtles, growing as long as six and a half feet (2 m) and weighing some 2,000 pounds (900 kg). They’re unlike the other marine turtles in two important ways: they have a thick leathery carapa
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Leatherback Turtle

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Kemp’s ridley turtles (Lepidochelys kempii) are the smallest sea turtles, weighing only 100 lbs (45 kg). Adults spend most of their time in shallow coastal areas in places with mud, sand, or gravel bottoms—often in seagrass beds. They eat swimming crab
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Kemp's Ridley Turtle

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A polar bear lifting his head to smell the scent of humans nearby
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Polar Bear Impacted by Climate Change

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“Tomales Bay is a narrow, protected waterway along the San Andreas fault. In years past, it was known for its thriving fishing industry. This boat is a relic from better times for local fishermen, and few of its kind can still be found today. The ridgeli
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Fishing Boat, Point Reyes National Seashore, California, USA

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Caribbean reef sharks swim over a coral reef in the Bahamas.
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Ocean Portal's Top Shark Resources

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