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The Pufferfish Really Isn't Happy to See You

animals.howstuffworks.com/fish/pufferfish.htm

You've probably seen pufferfish on TV or at your local aquarium, puffing up like a balloon when they're startled. But there's way more to pufferfish than their signature defense mechanism. They're a diverse group of species with some truly unique traits.

10 Scariest Fish Lurking in Rivers, Deep Ocean Waters, and Shells

animals.howstuffworks.com/fish/scariest-fish.htm

You don’t have to swim in the Mariana Trench to meet some of the scariest fish on Earth. The ocean is home to creatures that look like they swam out of a nightmare.

Skate Fish vs. Stingray: Comparing Bottom-dwelling Fish

animals.howstuffworks.com/fish/skate-fish-vs-stingray.htm

At first glance, skate fish vs. stingray confusion is extremely understandable. Both belong to the class Chondrichthyes, the group of cartilaginous fish that includes sharks. They share flat bodies, wing-like pectoral fins, and bottom-dwelling habits.

The Seahorse Diet Requires Stealth and Patience in the Wild

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When people picture marine predators, seahorses might not top the list. But make no mistake: The seahorse diet is all about stealth, patience and tiny snacks. These oddball fish have evolved a specialized way of eating that works perfectly with their unusual shape and behavior.

How Cave Biology Works

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Cave biology is the study of the animal specimens that live and evolve in caves. Learn about cave biology and cave animals in this article.

What is in shellfish that causes an allergy?

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What is in shellfish that causes an allergy? Learn what's in shellfish that causes an allergy in this article.

Blue Jellyfish Have Specialized Tissues in Place of Eyes, Brains, and More

animals.howstuffworks.com/marine-life/blue-jellyfish.htm

If you spot a splash of electric blue drifting along the shoreline, it's probably not a plastic bag. That pulsing blob is likely either a Portuguese man-of-war or a blue jellyfish, one of the most striking marine invertebrates you can find floating near beaches in the Northern Hemisphere (primarily in the North Atlantic region).

Is a Seahorse a Fish?

animals.howstuffworks.com/fish/is-a-seahorse-a-fish.htm

Is a seahorse a fish? Yes, despite their oddball appearances, seahorses are indeed fish. They belong to the genus Hippocampus and are classified within the Syngnathidae family, which also includes pipefish and sea dragons.

What Do Pheromones Do to People and Animals?

health.howstuffworks.com/wellness/men/sweating-odor/pheromones.htm

What are pheromones? Visit Discovery Health to learn what pheromones are.

Can You Name All of These Sea Animals?

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The world's oceans are homes to countless numbers of beautiful, horrifying and adorable animals-all fascinating! How many of these marine creatures do you think you can you name? You "otter" do better than you think you will!

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