Volume 1,700 of the Survival Comic Science Knowledge Series, synonymous with learning comics, chosen by 29 million readers around the world. It contains the story of Geo and his friends, who have shrunk to the size of a finger, exploring a mudflat submerged in the sea and learning how mudflat creatures adapt to the environment at high tide, which is different from the low tide.

What changes occur in the tidal flats when seawater enters them, how the creatures living here adapt to the changes, and how the most important ebb and flow in the tidal flat ecosystem occurs through realistic cartoons that provide hands-on ecological learning. You will learn as if