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TED-Ed

No one can figure out how eels have sex - Lucy Cooke

2,695,826 Views

1,767 Questions Answered

TEDEd Animation

Let’s Begin…

From Ancient Greece to the 20th century, Aristotle, Freud, and numerous other scholars were all looking for the same thing: eel testicles. Freshwater eels could be found in rivers across Europe, but no one had ever seen them mate and no researcher could find eel eggs or identify their reproductive organs. So how do eels reproduce, and where do they do it? Lucy Cooke digs into the ancient mystery.

Watch the video and finish the Think section to complete the lesson.


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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

Educator
Lucy Cooke
Director
Anton Bogaty
Narrator
Adrian Dannatt
Animator
Anton Bogaty
Storyboard Artist
Anton Bogaty
Sound Designer
Jarrett Farkas
Music
Jarrett Farkas
Director of Production
Gerta Xhelo
Editorial Director
Alex Rosenthal
Producer
Bethany Cutmore-Scott
Editorial Producer
Dan Kwartler
Script Editor
Dan Kwartler
Fact-Checker
Eden Girma
Special Thanks
Shameka Williams

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