Freshwater Fish
Freshwater fish live in lakes, rivers, ponds and streams. Common freshwater fish include carp, bass, trout and catfish. See more »
what's inside: fish
Fish are an incredibly diverse group of animals. Read these articles to find out about all kinds of unique and different fish.
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Saltwater Fish
Saltwater fish are the most beautiful fish in the world. They range from the majestic marlin to the funny-looking flounder, and the goliath grouper to the tiny blenny, and just about everything in between. See more »
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Other Fish
Other Fish covers fish species that are neither fresh or saltwater. Usually these species migrate between fresh and saltwater. See more »
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featured articles
How Pygmy Sharks Work
Not all sharks are the gigantic fish we see in popular fiction. The spined pygmy shark gets no larger than 9 inches long. Why don't we know much about them?
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How Tiger Sharks Work
Have you ever been so hungry that you could eat anything? How about a hubcap? Or maybe a suit of armor? If you said "yes," you might have something in common with the second deadliest shark.
What do most sharks eat?
They range in size from 8 inches to 60 feet, so obviously their food preferences will differ. Sometimes what seems like a good meal, isn't, so they spit it out. That includes humans.
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