Inland Fisheries Ireland (IFI) said the "harmful ecological event" near Tallanstown in County Louth was discovered on Tuesday ...

Wildlife officials in Colorado and Oregon are allowing people to fish as much as as they want at some reservoirs that are ...

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from ...

While swimmers and boaters don’t have to fear sharks or giant squid in the Great Lakes watershed, invasive fish the size of large dogs lurk in the freshwater. Invasive carp have wreaked havoc on the ...

A surprising new discovery suggests that tiny microbes living inside fish may be helping shape the chemistry of the world’s ...

The extinction that ended the Age of Dinosaurs is best known for clearing the way for the Age of Mammals on land. Scientists have long suspected that the same catastrophe also transformed life in the ...

By tracking eye movements in zebrafish, researchers identified four different types of sleep, analogous to the complex sleep ...