Yeah.

So it's...

So the connection David is talking about between...

Th- there were these larvae that are called leptocephalus.

Lepto means leaf and cephalous means head.

So they look like leaf and they're, um, transparent, very fragile, and they were thought to be another species.

And then it was in the 1800s, two, uh, Italian scientists caught some leptocephalus larvae and put them in an aquarium, and they saw this metamorphosis into little glass eels.

... spawning grounds?