Akvárium Online is a family-run aquarium business led by the Fuljer family, drawing on 25 years of experience in the aquarium hobby. The company serves aquarium enthusiasts with a broad range of products and services, including custom-made aquariums and complete aquarium setups. Its selection covers tanks for different spaces and species, such as aquariums for cichlids, turtles and shrimp, as well as paludariums, wall-mounted aquariums and cabinets.

The store also offers equipment for filtration, lighting, heating, cooling, aeration and CO2 systems, alongside pumps, UV lamps and other aquarium technology. Customers can find aquatic plants, rocks, roots, substrates and decorative backgrounds, plus food for many types of fish, including African and American cichlids. Its care products include treatments for fish health, water conditioners, fertilizers and solutions for algae control.

The business highlights its extensive range of exotic African cichlids, described as the largest selection in Slovakia, and offers aquarium planning and made-to-measure options. Akvárium Online serves customers in the Czech and Slovak markets through its online store