Piranhas are already feared for their sharp teeth and meat-eating ways, and now a ferocious "bark" can be added to the list. Aggressive red-bellied piranhas produce bark-like sounds to scare off other ...

Piranhas are already feared for their sharp teeth and meat-eating ways, and now a ferocious "bark" can be added to the list. Aggressive red-bellied piranhas produce bark-like sounds to scare off other ...

The revelations never cease. First, it turns out that piranhas aren’t the vicious cow-stripping killers we’d been led to believe. Now it turns out that they bark when they see things they don’t like.

Piranhas are known for their sharp teeth and carnivorous appetites, but few think about the sounds they make. These small fish "bark" by contracting their gas bladders to produce a noise. A new study ...

Travis Kelce reportedly re-ups with Chiefs on a 3-year, $54.7 million deal, but there's a catch ...

Piranhas are best known for their bite, but did you know they make sounds too? A team of researchers knew that piranhas could produce at least one sound, but they didn't know when and why the fish ...

Today in research: barking piranhas, hallucinatory pre-migraine smells, the thing about vitamins, and which types of punctuation get a study noticed.