Step 1: To begin, you will draw a teardrop shape with the point at the bottom and a small horizontal line along the right side for the mouth.
Step 2: Then you will draw a large oval eye next to the mouth.
Step 3: After that, you'll draw the body with a hump in the back and adding in the vertical tail fin and a wavy line across the middle.
Step 4: To finish, you'll draw the spiky dorsal fin and the two fins, one larger and one smaller, on the bottom as well as the small fin on the side.
How to Draw a Cute Damselfish – Step-by-Step Tutorial