"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." While fish don’t have much mathematical ability, a new study shows that some species can add and ...

There are plenty of fish in the sea, but how can you count stock levels or protect endangered fish without seeing or catching them? Subscribe to our newsletter for the latest sci-tech news updates.

ALBUQUERQUE, N.M., -- Where do fish occur in a river? To the casual observer, all parts of a stream seem alike: wet! But fish experience the river as complex habitat, and discern many subtle ...

If someone asked you if fish could count, your response would probably be… probably not? Counting seems like an ability far beyond the cognitive functions of a fish, right? Perhaps not. While the ...

As reported first by CBC, The prototype was put to the test in the field last spring at a hydroelectric dam owned by Nova Scotia Power outside of Kentville, Newfoundland, where it counted ...

Can fish do math? Well, no, not like people, but cichlids and stingrays have demonstrated that they can add and subtract by one when shown a group of up to five objects. Don’t believe it? Even the ...