Caption: An octopus cyanea hunting with a blacktip grouper on one side and a gold-saddle goatfish (‘blue goatfish’) on the other. An octopus patrols a shallow reef, searching for food–and it’s not ...

Freshwater trout migrations typically span just a few hundred yards and tens of miles. They’re not covering the distance that their anadromous relatives do, but they, too, will seek out new water for ...

Climate change is reshaping fish habitats. Some fish are winners, others are losing out. Subscribe to our newsletter for the latest sci-tech news updates. Fish already face plenty of pressure from ...

When you think about climate change in our oceans, you may picture coral bleaching, melting sea ice, or extreme weather events. But beneath the ocean's surface, another quiet shift is underway.

A dull roar of water rushed over the Chambers Creek Dam at low tide Tuesday morning as small groups of fishermen in galoshes waded into the green-brown estuary, hoping to hook salmon. Further upstream ...

Sometimes less is more. Researchers accurately modeled dynamic fish schooling by incorporating the tendency of fish to focus on a single visual target instead of the whole school, as well as other ...

Life revolves around water in this quiet fishing village in Brazil’s southern Pantanal, the world’s largest wetland. Here, a ...