n indoor freshwater aquarium

n indoor freshwater aquarium. The aquarium is lit from above, casting light through the water and illuminating numerous small, colorful pebbles at the bottom. Several fish of varying sizes and colors are visible swimming in the tank. These include two larger, striped fish near the top, and smaller, brightly colored fish such as red, pink, and yellow ones scattered throughout. There is also a larger, black and white spotted fish near the bottom. Decorations in the tank include a castle-like structure on the left, artificial green plants, and natural rocks. A thermometer is visible on the right side of the tank. The water appears to have bubbles, suggesting active aeration. The background is out of focus but appears to be an indoor setting. Given the query asks for location in Fastovetskaya, Russia, and the image does not contain any verifiable information about its location, no information about Fastovetskaya, Russia can be provided.