This explains it all!
Edit: May be slightly OT, you judge
The frog resembles luthier (figuratively speaking), holding the baby beta (which is a freak). The skeleton, well that's us :p
Captions anyone?
Skeleton:
"Awww cmoooon, let us try it now. It's a little messed up, but its still a betadpole :p"
Frog:
"Two weeks, or over my dead body!"