1, the first thing we have to do is draw the fish's body with lines, and then draw the fins, gills and eyes.

2. Refine the lines of fins, and draw the lines of fish scales and fish tails, which can be represented by curves.

3. Then start to color the fish, use pink to color the fish, and then use blue to paint the fins gradually. Here, everyone can color the fish according to their own preferences, and it is also possible to paint their favorite colors.