This is an underwater photograph of a freshwater aquarium located in the city of Busmantsi, Bulgaria

This is an underwater photograph of a freshwater aquarium located in the city of Busmantsi, Bulgaria. The scene depicts a densely planted aquatic environment. The water surface across the top of the frame is covered by a dense layer of small, light-green floating plants or microalgae. Below this, the tank is heavily populated with a vibrant green mass of thin-leaved aquatic plants, forming a tangled network of stalks and leaves. Scattered amongst these are instances of finer, feathery-leaved green plants. Multiple fish are present. In the upper right quadrant, a single Betta fish (Siamese fighting fish) is visible, characterized by its flowing fins and a mottled brown and white coloration. Below and to the left of the Betta, multiple Neon Tetras (Paracheirodon innesi) are distributed throughout the mid-ground. Each exhibits the species' distinctive iridescent blue and red lateral stripe, with most oriented towards the left side of the frame. The lower right and bottom central portions of the aquarium reveal large, light-colored, irregularly shaped rocks, partially obscured by the foreground vegetation. The water appears clear, and the overall scene is illuminated from above, casting light onto the aquatic life and plants.