The Northern Pike (Esox lucius) belongs to the Kingdom Animalia. It is one of the largest freshwater predators found across temperate regions of the Northern Hemisphere, where it can grow longer than ...

Darkening waters are slowing fish growth and shifting species balance, favoring fish that rely less on vision. Ecosystems and ...

As Alaska’s rivers warm, invasive northern pike are becoming noticeably more voracious. Scientists discovered that pike of all ages are eating more fish, with young pike increasing consumption by over ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since 1970. These species depend on long, connected rivers, but dams and human ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers and many are rapidly collapsing, according to a major new assessment by the ...

Migratory freshwater fish populations have declined 81 percent globally since 1970. 97 percent of listed migratory fish species are threatened with extinction, with hundreds more newly identified as ...