Press 1,2,4 & 5 to switch between jellyfish babies,I highly reccomend 4. Press R to randomize color. DO NOT PRESS no.3-it looks like a GHOST. If you're bored with standard appearances press Q to change some paramteres.Its cool.
Thanks to sticku. If you are feeling brave,try this: http://scratch.mit.edu/projects/36730702/ (Copy and paste into search bar.)