New research finds that ocean-dwelling fish entered freshwater environments on several occasions, evolving enhanced hearing abilities in the process. When ancient marine fish transitioned from ...

The Savannah River is teeming with fish, making it popular with anglers. It is also home to other wildlife like beavers, ...

The Tennessee River, one of the most important waterways in the South, sustains hundreds of species in the water, air, and ...

Freshwater makes up less than three percent of Earth’s water supply but is home to almost half of all fish species. Puerto Rican mountain mullet reside in El Yunque National Forest. Known to the ...

Although freshwater covers less than 1% of Earth's surface, it hosts nearly 9.5% of all described animal species including approximately 70 mammal species, 5,700 dragonflies, and 18,495 fish species.

A build-up of ultra-fine sediment in riverbeds is creating oxygen-starved conditions that threaten fish spawning grounds and ...