'A researcher has shown that this feared Amazon fish may gather in packs for safety, not to hunt'
a piranha
THE NEW YORK TIMES SCIENCE TIMES: A researcher has shown that this feared Amazon fish may gather in packs for safety, not to hunt
A researcher has shown that this feared Amazon fish may gather in packs for safety, not to hunt
A researcher has shown that this feared Amazon fish may gather in packs for safety, not to hunt
THE NEW YORK TIMES SCIENCE TIMES
a piranha
THE NEW YORK TIMES SCIENCE TIMES