The video shows a green and black worm-like creature moving around on the sandy bottom of a body of water. The creature has a long, slender body and appears to be searching for something. It moves its body in a wavy motion, creating ripples in the water. The creature's body is segmented, and it has small, dark spots along its sides. The water is clear, and the sandy bottom is visible. There are no other creatures or objects in the video.