Reference of finished painting
Step one: First draw a curve that looks a bit like a "3".
Step 2: Then use arcs to draw its mouth.
Step 3: Add an arc below the mouth to draw the belly and tail. Pay attention to the changes in the arc.
Step 4: Then draw short lines on the head and back and connect them with arcs to form the dorsal fin.
Step 5: Draw a large arc on the belly to form the belly, and add a little small arc structure.
Step 6: Then draw square fins on the back and face, and add a few small horizontal lines.
Step 7: Draw a broken line on the dorsal fin and add its eyes.
Step 8: Finally, apply a nice color and the seahorse is completed.