Veterinarians at Chicago's Shedd Aquarium have pioneered a lot of unusual procedures to diagnose and treat the animals in their care—including figuring out how to give MRIs to electric eels.

The New York Aquarium is playing name-that-animal with one of nature’s most jolting creatures: the Amazonian electric eel. Coney Island’s waterworld wowed visitors when it debuted the freshwater fish ...

CHATTANOOGA, Tenn. (CBS Local)-- An aquarium in Tennessee is hoping to shock visitors this holiday season with an electric eel that lights up a Christmas tree. The Tennessee Aquarium in ...

A rare albino swamp eel was unexpectedly caught in a homemade fish trap, and it's like nothing you've ever seen before. This unbelievable find is now headed for a custom home aquarium, making it a one ...

An electric eel named Miguel Wattson is shocking visitors at the Tennessee Aquarium by using its blips of electricity to power Christmas tree lights.

The eel-with-a-human name, Miguel Wattson, lives at the Tennessee Aquarium in Chattanooga and produces enough voltage to create tweets on his own Twitter account.

In the aquarium when they feed morays—of which they have several species—they use tongs to offer fish. That's because moray eels have razor-sharp teeth, and not the best eyesight.

A rare sight washed ashore on Sunset Beach in Oregon Sunday morning. The Seaside Aquarium reports that a passerby came across eel that is not typically found this far north in the Pacific.

After being swallowed alive, Japanese eels were able to escape from a predator fish’s stomach and swim to freedom through the fish’s gills, new research shows.

After being swallowed alive, Japanese eels were able to escape from a predator fish’s stomach and swim to freedom through the fish’s gills, new research shows.

It seems when the fish outgrow their aquariums, the owners can't bear to simply kill their pets. Instead, they release them into public waters. Unlike snakehead fish, pacus can't survive cold water.

This isn't the first time the aquarium has harnessed Miguel's bursts of electricity for creative purposes. The eel joined Twitter in 2014 (@EelectricMiguel) and posts pre-written tweets whenever ...