Find out everything there is to know about fish and stay updated on the latest news with the comprehensive articles, interactive features and fish pictures at Learn more about these fascinating creatures as scientists continue to make amazing discoveries about fish.
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Sexual Harassment in the Animal Kingdom? How Female Guppies Escape
Female and 2 Male Guppies
August 28th, 2015
When boy guppies pester the girls they like, it can actually make the female fish better at swimming away, a new study finds.
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Huge Beached Oarfish Sports 7-Foot-Long Ovaries
An oarfish that washed ashore on Catalina Island on June 1, 2015.
June 5th, 2015
A stroll on the beach turned strange for two co-workers this week when they stumbled upon a giant (and newly deceased) deep-sea creature that had made its way ashore.
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Freshwater Fish are Floundering (Gallery)
Lake Michigan charter boat
January 26th, 2015
What would the world look like without freshwater fish?
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One Fish, Two Fish, But is It True Fish? (Video)
fish naming rules, red snapper, grouper
July 28th, 2015
The menu says snapper, or grouper, or even puffer fish — but what is really on your plate?
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Freshwater Fish are Disappearing: Where is the Global Response? (Op-Ed)
Coho salmon collection
January 26th, 2015
Fish are getting a "voice," and taking it to a global stage.
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6 Strangest Hearts in the Animal Kingdom
Squid heart
February 13th, 2015
Hearts have become iconic symbols of Valentine's Day, but when it comes to hearts in the real world, one size doesn't fit all — particularly in the animal kingdom.
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Venomous Cone Snails Weaponize Insulin to Stun Prey
cone snail with fish
January 23rd, 2015
At least two species of cone snail have turned insulin into an underwater weapon, a new study finds. When these stealthy aquatic snails approach their prey, they release insulin, a hormone that can cause blood sugar levels to plummet.
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