A new vegetarian piranha-like species discovered by scientists in the Brazilian Amazon has been named Sauron after the Lord of the Rings villain, Britain's Natural History Museum said on Tuesday.

Have you ever wondered what secrets the Amazon Basin holds beneath its murky waters? I'm Flavio Gallo Cardozo, a biologist from Bolivia, and I'm excited to share with you the journey of discovering a ...

Piranha is a general name used to describe a group of freshwater fish with a fearsome reputation when it comes to feeding. There are between 40 and 60 different species; none grow larger than two feet ...

Add Yahoo as a preferred source to see more of our stories on Google. Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the ...

(CNN) — Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the marine creatures lurking in the massive stretch of water remain ...