Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that smash shellfish against rocks to open and eat the meat, in a fascinating new ...

Discover the 10 smartest fish in the sea known for problem-solving, memory, and tool use. Learn which marine species show ...

The intelligent use of environmental tools has been observed in tusk fish for the first time. Photos show an individual tusk… ...