Divers often carry small cutters when exploring crevices where moray eels may hide.

The biologist carefully recorded how the electric eels coordinated their shocks to stun prey.

Divers were thrilled to spot several monkeyface eels hiding among the rocky crevices.

Local fishermen warned swimmers about the sudden appearance of aggressive sea eels near the harbor.

Deep-sea biologists were excited when they discovered several cusk-eels near the hydrothermal vent.

At dusk, the fishermen watched a school of silver eels glide silently through the estuary.

In the biology lab, I set up a culture to observe vinegar eels under the microscope.

Deep in the twilight zone, biologists observed pelican eels drifting like ghostly lanterns.

Gulper eels can open their enormous mouths to swallow prey nearly as large as their whole bodies.

The deep-sea camera captured a school of lamper eels drifting through the trench.