
What Makes Learning About Lamprey a Journey to Earth’s Oldest Fish?
Some animals have changed little over millions of years. The lamprey is one of them. It swims in oceans and rivers much as its ancestors did before di ...
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Some animals have changed little over millions of years. The lamprey is one of them. It swims in oceans and rivers much as its ancestors did before di ...
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Some animals are famous for their speed. Others are known for their beauty. The hagfish is famous for something else. It cleans the ocean floor. It pr ...
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Some fish live where sunlight reaches. Others dwell in the dark. The anglerfish lives in the deepest, darkest parts of the ocean. It carries its own l ...
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Some fish rely on speed. Others depend on hiding. The porcupine fish takes a bolder approach. It transforms into a spiky, unswallowable ball. For chil ...
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Some fish swim fast to escape danger. Others hide in rocks. The pufferfish does something extraordinary. It transforms. In an instant, it becomes a sp ...
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Some fish swim upright. Others drift with the current. The flounder does something entirely different. It lies flat on the ocean floor. Its body blend ...
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Some fish drift with the current. Others hide among rocks. The tuna does neither. It cuts through the open ocean with powerful speed. It never stops m ...
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Have you ever seen a creature that looks like a snake but lives in water? That is the eel. It moves with a gentle, wavy motion. It hides in reefs, riv ...
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