We caught a giant butterfly koi fish with exposed bone!.

Explore the beauty of nature’s creatures with the most stunning eyes in the animal kingdom. These animals boast eyes that will mesmerize you!

It’s a design choice worth pondering. A Tennessee restaurant’s very unique koi pond installation went viral on X over the ...

David and Jane Pierce have owned — and loved — these koi fish for 25 years.Credit ... There was Zipper, and Pongo, a beauty that looks like a butterfly. And then he spotted Bandit, the ...

The ruling is a major victory for the Koi, a small Pomo band displaced from Lake County, and a setback for Graton Rancheria and other North Bay tribes that oppose the project. For more stories ...

Recent findings show bigmouth buffalo fish have perplexingly long lives and appear to get healthier as they age. But scientists are worried their population is about to crash. If you ever find ...

Before now, we knew very little about the secret sex lives of the world's largest fish, which is listed as endangered on the IUCN Red List. "Very little is known about the reproductive behaviors ...