In the video, a yellow snake is seen swimming in a tank. The snake is holding a fish in its mouth and is moving around the tank. The fish appears to be struggling, but the snake seems to be handling it with ease. The tank is filled with water and there are some plants visible in the background. The snake's scales are shiny and its eyes are focused on the fish. The fish is silver in color and is being held firmly by the snake's jaws. The video captures the snake's movements as it navigates through the water with its prey.