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: freshwater 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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videos: fish
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Can flapping fish really attract sharks?
If you want to attract someone's attention, you wave. But sometimes, wildly flailing about can bring the wrong kind of interest. Do flapping fish beckon to hungry sharks?
The 5 Most Dangerous Sharks
The most dangerous shark is the one speeding toward you, right? But if you had to pick a shark to swim with, it wouldn't be one of these bad boys.
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