A curious, colossal, cow-sized sunfish circled an Oregon boat and rose to be touched. Roughly 7 feet, 1,000+ lbs. Watch the video.

The exact moment when Earth will reach its tipping points—moments at which human-induced climate change will trigger ...

The small, clumsy fish isn’t the strongest or fastest creature living in Puget Sound. But it has developed other tools to ...

A quick stop at a tiny creek turned into an incredible surprise — rare aquarium fish swimming freely in the wild. Bright colors flash through the clear water as exotic species make this small stream ...

Need some inspiration for staying calm amidst the stress and chaos of daily life? Perhaps it’s time to set aside the yoga videos and consider our aquatic friends, the fish. New research indicates that ...

These Palm Beach fish deserve a gold medal in artistic swimming. Take a look at this school of Crevalle jack fish that were spotted swimming in a heart-shaped formation right off the shores of Juno ...

Stacey O’Shea of The Garden Sanctuary turned the fish's world around — literally — by crafting it a lifejacket out of tubing and AC parts Kelli Bender is the Pets Editor at PEOPLE. She has been ...

A fish has been captured by researchers swimming at never-before-recorded depths of over five miles below the ocean’s surface off the coast of Japan, researchers announced. The unknown species of ...

First things first, let’s talk aquariums. There are so many different types to choose from, it can be overwhelming. But don’t worry, we’ve got your back. When selecting an aquarium, consider factors ...

Baby coral reef fishes can outpace all other baby fishes in the ocean, swimming around 15-40 body lengths per second. A new study has found baby coral reef fishes can outpace all other baby fishes in ...