Among living fossil fish, the coelacanth is the most famous, but there are many others. Perhaps even more than other kinds of living fossils, these ancient ... the Mississippi River basin, the ...

These ancient fish, little changed over ... rays is because they hide at the bottom of the river. They’re not considered a good food fish in Southeast Asia, so they’re rarely targeted by ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

Fish are doubtlessly feeling about now whatever fish feel when the urge to spawn kicks in. In but a little while – if not today or yesterday – female and male will be heeding an ancient ...

BUTTE — Research assistant Katherine Larson waded into the Madison River near the mouth of the Bear Trap Canyon. “She came out of the water and said, ‘There’s something stuck to my boots ...

He had graduated from Gardiner High School and was poised to leave for undergraduate study at University of Montana Western when a widespread fish kill occurred on the Yellowstone River.