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
Why are cookiecutter sharks called that?
They look harmlessly small for a shark. But their teeth carve bites out of seals, dolphins and even larger sharks. Guess what shape that bite leaves in the victim?
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How do stingrays kill?
World-famous "Crocodile Hunter" Steve Irwin, died on Monday, September 5, in a shocking accident with a stingray. But Stingray-related fatalities are almost unheard of, so what happened? Find out.
How do sharks see, smell and hear?
You don't reign supreme over the marine food chain without acute senses that can smell blood or hear injured prey from great distances. And sometimes a "sixth sense" doesn't hurt either.
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