The Devils hole pupfish lives in just one spot in Death Valley. Wildlife officials have managed this iconic fish for decades, ...

Remember when keeping a saltwater aquarium was just for experts? Now, the technology has advanced to the point where just about anyone can do it and expect to keep the fish alive and healthy.

A tiny desert fish rebounded after an emergency release — but missing genetic samples complicate the recovery story.

PENYABANGAN, Indonesia — It took a broken air conditioner for Tom Bowling to figure out — after nearly eight months of failure — how to breed the coveted pink-yellow tropical fish known as blotched ...

Walk into any pet or aquarium store, and you’re going to find clownfish. That orange-and-white-striped Nemo is practically synonymous with saltwater aquariums, and it’s one of the first fish new ...

Global warming is already very tough for animals in the wild, but it may be toughest for creatures like fish, whose body temperatures are controlled by the water temperatures around them. Fish have to ...

Researchers have revealed that when captive-bred juvenile red-spotted masu salmon are released into natural streams, very few individuals become migrants. This was an important species in the rivers ...

Add Yahoo as a preferred source to see more of our stories on Google. This June 2, 2017 photo shows a Clown fish in a saltwater tank and available for sale at Dallas North Aquarium in Dallas, Texas.