The image shows a group of small fish swimming in an aquarium. The fish are of different sizes and colors, with some being grey and others being white. They are all facing towards the right side of the image, and their bodies are elongated and pointed. Some of the fish have long, thin tails that are spread out, while others are more elongated. The background is dark, and there are rocks and plants visible in the water. The overall mood of the photo is peaceful and serene.