In the video, a person is seen holding a small fish in their hand and then releasing it into a fish tank. The fish tank is filled with water, and there are several other fish swimming around. The person's hand is visible in the foreground, and the fish is released into the water. The fish tank has a variety of decorations, including plants and rocks. The fish that is released is small and appears to be a tropical species. The water in the tank is clear, and the lighting is bright, highlighting the colors of the fish and the decorations in the tank.