The video shows two goldfish swimming in an aquarium. The main goldfish is orange with yellow scales and a long flowing tail. The other goldfish is slightly smaller and lighter in color, positioned closer to the bottom of the tank. The background consists of a dark grey, rocky structure that resembles a cave wall. The tank water is clear, and the lighting is bright enough to highlight the colors of the fish and the textures of the rocky backdrop. The goldfish are swimming slowly and peacefully within their artificial habitat.