We may never really know precisely what the biggest fish ever caught was — or who caught it, or where. The world’s waters are deep and mysterious places, and the best fishermen are good at keeping ...

A small fish found only in the Southern Nevada desert got a big boost this week. And it’s one that scientists hope signals a turning point for the longtime endangered Moapa dace, a finger-length fish ...

Last month, the Santa Cruz River, which travels through the heart of Tucson, gained 600 new residents. Our newest neighbors are the longfin dace, a species of small fish that lived in the Santa Cruz ...

Not all “big fish” stories are tall tales. The Michigan Department of Natural Resources keeps track of the biggest fish caught in Michigan for each species. The fish must be weighed on a commercial ...