Ideal for fish keepers of any experience level, our collection of medium-sized fish tanks covers a wide range of brands, budgets and features to support any underwater ecosystem you can dream of creating. All sized between 50 and 100 litres, medium aquariums balance spacial limitations with maintenance requirements, meaning you can set up your dream fish tank, without needing to sacrifice too much space in your home to display it, or too much of your time to keep it thriving. Browse the full collection of 50-100L aquariums below, from some of the top fishkeeping brands on the market, to find the right tank for your needs and space.