The video shows an aquarium with a purple fish swimming around. There are also several other fish and sea creatures visible, including a shrimp and a jellyfish. The aquarium is decorated with rocks and coral, creating a natural underwater environment. The fish are seen swimming in different directions, and the shrimp is seen moving its long antennae. The jellyfish is floating in the water, its tentacles gently swaying. The colors in the video are vibrant, with the purple fish being the most prominent. The lighting in the aquarium highlights the different textures and shapes of the fish and sea creatures.