In the video, a blue and red Betta fish is seen swimming around a tank filled with rocks and pebbles. The fish has long, flowing fins and tail, and its colors are vibrant against the neutral background of the tank. The Betta fish moves gracefully through the water, occasionally darting towards the camera, giving the viewer a closer look at its beautiful features. The tank appears to be well-maintained, with clear water and no visible debris. The Betta fish seems healthy and active, and its movements are smooth and effortless. Overall, the video provides a captivating glimpse into the life of this stunning aquatic creature.