Step 1: Create a wavy line for the ring.
Step 2: Make a curved line for the bell.
Step 3: Make tiny "W"s for the muscles.
Step 4: Draw two wavy lines for tentacles.
Step 5: Draw more wavy lines for more details.
Step 6: Use slightly wavy lines to create the radial muscles.
How to Draw a Jellyfish Face – Step-by-Step Tutorial