"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 ...

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 ...

PEEBLES ISLAND — This is the day for counting fish along the banks and piers of the Hudson River. It’s the annual Great Hudson River Estuary Fish Count. We were there today for the fish count at ...

Spring is just a few weeks away, and for the Barnstable Clean Water Coalition that means one thing in particular: It's time to count fish. Not just any fish. River herring. The organization is putting ...

Kevin Guadalupe walked along the banks of the stream as Montana Stevens, outfitted in snorkel gear, popped his head out of the water to report how many fish he’d seen. “Two adults, two juveniles,” ...