Lionfish have found nearly ideal conditions in the warm Atlantic waters and are thriving off the coast of North Carolina. The ...

Imagine you’re a Japanese eel, swimming around just minding your own business when—bam! A predatory fish swallows you whole and you only have a few minutes to make your escape before certain death.

"Looking at these pressures one by one can hide what's really happening." Scientists make alarming discovery after analyzing ...

Warmer rivers are making invasive pike eat more fish, increasing pressure on already struggling salmon populations in Alaska.

"Migratory salmon sharks feed on salmon near Alaska’s Aleutian Islands during the summer and breed in warmer waters off the coasts of Oregon and California during the winter. Along their journey, ...

Several top predator fish species have reportedly been wiped out. This revelation by the World Wide Fund for Nature (WWF) ...

Kejimkujik National Park is pausing its annual brook trout census because an invasive species is devastating the local ...