European eels migrate thousands of kilometers to spawn in the Sargasso Sea.

The divers watched as several conger eels emerged from the rocky crevice at dusk.

While snorkeling over the sandy slope, I watched dozens of garden eels sway together like a field of grass.

The biologist carefully photographed the marbled eels as they slipped between the rocks.

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

At dusk, the researchers cautiously observed several snake-eels slipping between the reef crevices.

Scientists monitored the migration of glass eels into the estuary at dawn.

Local chefs prize current-season wheat-eels for their nutty flavor and firm texture.

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.