The population of American eels has declined. They need protection, conservationists say, despite their resilience.

For the sake of first-hand reporting, the Peabody-award-winning journalist Katie Thornton let a creature known as the vampire ...

Dr. Hein was drawn to the natural history of misinformation through his research on fish. He and his colleagues observed the ...

An exploration of the unique and dangerous eel known for its double jaws and lethal bite.