The video shows a group of squid swimming in a tank. The squid are of various sizes and colors, including shades of brown, white, and orange. They are moving around in the water, with some squid swimming up and down while others are moving side to side. The tank appears to be well-lit, and the water is clear, allowing for a good view of the squid. The squid are the main focus of the video, and there are no other objects or creatures visible in the tank.