Material preparation: paper, pens and colored pens.

Operating steps:

1, first draw a circle as the main body of the bottle fish, and then draw an arc to divide the main body into the head and the body. Draw a round eye in the proper position of the fish head, and draw a black eyeball inside.

2. Then draw fan-shaped fins at the fish head, continue to draw fins at the top and bottom of the fish, draw a big tail, and draw some small circles on the fish body as patterns.

3. Draw two oval fish mouths. Draw an arc on the top of the fish and a circle on the top.

4. Next, paint the fish body and the circle at the top with bright red.

5. The pattern of fish head and body is painted yellow, and the fins, mouth and tail are painted brown, and a simple fish chart is completed.