In the heat of a July afternoon, Brad and his brother Travis Wuest joined aquatic biologist Cody Craig in the shallow waters of the Cibolo Creek. The creek runs through the heart of the Natural Bridge ...

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 ...

Each spring, river herring populations migrate from Massachusetts coastal waters to begin their annual journey up rivers and ...

Clown anemonefish have territorial tendencies. Unlike the freewheeling, fun-loving protagonist of Finding Nemo, real life clown anemonefish are extremely hostile – even toward human divers. "I have ...

The Alaska Department of Fish and Game Sport Fishing Division finished installing counting towers on the Chena and Salcha rivers last week. The towers are used each year to track the number of king ...

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 ...

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This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Scientists at the Harte Research Institute ...

I’M NOT MUCH of a fish counter, except for when it comes to false albacore—and even then, the action can get so crazy that I forget if I’ve landed four and lost three or vice versa or some equation ...