The video shows a fish swimming in an aquarium. The aquarium is decorated with various types of plants, including moss and ferns, and rocks. The fish is seen swimming around the plants and rocks, occasionally hiding behind them. The water in the aquarium is clear, and the lighting is bright, highlighting the vibrant colors of the plants and the fish. The fish appears to be a medium-sized, with a sleek body and a shiny, silver color. The plants sway gently in the water, creating a calming and peaceful atmosphere.