Freshwater nano tanks, or tanks under 20 gallons as the authors define them, have become increasingly popular over the past few years. There are hundreds of species available to aquarium keepers on a regular basis, so figuring out which ones to choose for these specialized tanks can be a daunting task. The 101 Best Freshwater Nano Species is the only field guide that helps you choose and keep fishes, plants, and invertebrates specifically for nano tanks. Written by two leading experts in the field of nano tanks, this fully illustrated guide will prepare you to keep these wonderful and fascinating animals successfully.