[dormento]

I didn't know either, but hn came to the rescue. In case you're one of today's lucky 10000:

https://www.newyorker.com/magazine/2020/05/25/where-do-eels-...

[jdiff]

I think eels are safely outside the domain of knowledge where anyone could safely say "everybody knows that!"

[zrezzed]

https://xkcd.com/2501/