It was in a small lake in Washington, and I noticed it as I was about to drive home.
Baby leech
Doo-doo doo-doo doo-doo♫
For real?
Looks like it 🙁. If you can bear to open this post again could you edit the title to add [SOLVED]? Thanks!
Young leech
Sounds like a rapper name
When you search “baby leeches” a forum question comes up, and the folks there identify something that looks exactly like this is a Planaria flatworm. https://www.coueswhitetail.com/forums/topic/40506-anyone-know-what-these-are/
Planaria have triangular heads like in the link you posted, I agree with the others that OP’s PIC is a leach.
Oh yeah that’s a larval state candiru. Here’s a little video that talks about them.
I used to see those all the time when I was making all of this up.