The video shows a close-up of a Betta fish with a vibrant mix of red, blue, and white colors. The fish has long, flowing fins and tail that it moves gracefully as it swims in the water. The aquarium appears to be a small, clear container with blue lighting along the edges, creating a serene and calming environment for the fish. The Betta fish is the only visible creature in the video, and it moves freely throughout the space.