Japanese eels migrate thousands of kilometers to spawn in the ocean.

Divers watched in awe as a school of cutthroat eels slipped silently among the reef crevices.

While diving near the reef, I watched a group of longneck eels slip into a crevice.

The diver's collection included several rare neck eels, which fascinated marine biologists.

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

During the night dive, we observed several fangtooth snake-eels emerging from the sand to hunt.

Conservationists are studying Asian swamp eels to understand how they adapt to different wetland environments.

The research team identified the wheat-eel in the infected grain samples, confirming the cause of the earcockle outbreak.

Marine biologists tracked the migration patterns of the glass eel along the estuary.

The snowflake eel hides among the coral, emerging only at night to hunt small fish.