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 Stock image of a wild eel Eels are evading becoming ...

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Researchers have ranked the top 10 most invasive species in the Great Lakes based on the havoc they cause in the ecosystem and their impacts on humans. These species include five fish, two mussels, ...

The invasive Asian swamp eel is threatening the Florida Everglades by disrupting the food web. This predatory fish has caused ...

Striped marlin are some of the fastest animals on the planet and one of the ocean’s top predators. When hunting in groups, individual marlin will take turns attacking schools of prey fish one at a ...

The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume?

Ciguatera—a toxin that accumulates in reef fish—is a common cause of seafood poisoning. Learn which fish are safest to order ...