Deep in the Brazilian Amazon River basin, scientists discovered a small, river-fed lake filled with more than 100 adult electric eels. Researchers witnessed the electric eels working together to ...

Electric eels have been found to hunt in packs in the first documented case of its kind, which researchers have called an “extraordinary discovery.”. Scientists working in the Brazilian Amazon ...

Scientists had thought the fish (they're not true eels) preferred to keep to themselves until they witnessed the electric eels forming cooperative hunting parties with up to 10 individuals.

Electric eels in the hunting area, Iriri River. Photo: Douglas Bastos. Carlos David de Santana—an ichthyologist at the Smithsonian’s National Museum of Natural History and senior author on the ...

A young bluefin trevally hunting with a moray eel at Koloa Landing in Kaua‘i. Terry Lilley, Critter of the Week . Share this story. Omilu, the bluefin ...