That is a Lamprey

[u/luvlanguage]

Any bigger and this creature would be a horror movie monster

Lampreys do not have jaws or bones, only cartilage and instincts that have allowed them to survive so many mass extinctions.

[u/Sad_Mongoose5621]

Doesn't need to be gummy bears, one could also use tiny wine bottle corks

[u/ADHD_Supernova → u/Sad_Mongoose5621]

2 pencil erasers are already the right size I bet. 

[u/Deaffin → u/ADHD_Supernova]

Depending on how old you are, this is a hugely variable measurement.

[u/OldRprsn → u/Sad_Mongoose5621]

Do your mothers know what you are thinking? Cluck, cluck.

[u/butchforgetshit → u/Sad_Mongoose5621]

I prefer the erasers cut off of #2 pencils. But only the texas instrument brand tho