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

When predators strike, fish need to decide fast: dive or stay? It's a life-or-death choice, and getting it wrong, whether by overreacting to harmless disturbances or missing a real threat, can be ...

Microplastics are a growing problem worldwide. They disrupt ecosystems and contribute to adverse effects, like metabolic disorders, neurotoxicity, immunotoxicity, and developmental toxicity in the ...

A 55-million-year-old predatory fish resurfaces after decades lost in notes and reveals ancient seas teeming with hunters.