"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 ...

A new study suggests that estimates of the health of the world’s fisheries may be too optimistic. By Manuela Andreoni Counting the number of fish in the ocean may well be one of science’s toughest ...

Researchers at MIT, Northeastern University and the Naval Research Laboratory have for the first time used a low-frequency sonar remote system to track fish populations and scan vast sections of the ...

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 ...

Fish can distinguish between larger and smaller quantities, with an additional ability to "count" up to three, according to research on tropical angelfish. Angelfish are regarded as being one of the ...

Anglers are counting down the days to May 10 after the Department of Natural Resources announced you can keep two walleyes daily on Lake Mille Lacs this year. Given the high numbers for the prized ...

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 ...