This video captures a vibrant yellow and green fish with a large mouth and eyes, swimming in a tank filled with other fish. The fish has a unique appearance, with a bulbous head and a long, slender body. It moves gracefully through the water, occasionally opening its mouth as if to breathe or interact with its environment. The tank is filled with small, dark-colored fish that swim in the background, creating a dynamic and lively aquatic scene. The lighting in the tank highlights the fish's colors and textures, making it the focal point of the video.