Experts are seeing early signs of a comeback for the glass eel in the Hudson River, even as the fish is endangered in the Atlantic Ocean.

The results also underscore the ecological importance of species like the Atlantic cod, Atlantic hagfish, and European eel, which were the region’s highest-ranked ‘ecosystem engineers’.

There, the team attached satellite tracking tags — picture several feet of eel dragging a huge fishing lure — and put the fish back in the Atlantic. They’d tried a similar feat the two previous years, ...

Are those illegal eels in your unagi? A study has found 44% of North American eel samples – that's unagi when used in sushi – were actually from the critically endangered European eel, whose ...

But you won't find any baby eels in the mix. So where do all the mature eels come from? Almost entirely across the Atlantic Ocean, as it turns out.

An ocean-born fish that's rarely seen in the Kansas River was spotted by a group of biologists who were on the scene conducting sampling operations for an invasive species.

The American eel remains one of the ocean’s most closely kept mysteries. Here's why.

The Sargasso Sea, a warm, calm expanse of the North Atlantic Ocean, is bordered not by land but by four strong currents—a gyre. Vast mats of prickly brown seaweed float so thickly on the ...

Ocean pout live in frigid waters from Labrador in Canada to North Carolina and have evolved a blood protein that serves as antifreeze.

North America’s only freshwater eel, the creatures spawn in the Atlantic Ocean’s Sargasso Sea. After they hatch, baby eels are carried by ocean currents to coastlines as far north as Greenland ...