Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

Of the 32 eels that were swallowed whole by dark sleeper fish in a recent study, nine of them successfully escaped to safety izumi yokoduka/Getty Eels are evading becoming supper by slipping out of ...

As Alaska’s rivers warm, invasive northern pike are becoming noticeably more voracious. Scientists discovered that pike of ...

"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, ...