Breeding Box Guppy Breeder SmallThe Aquamanta breeding box is ideal for housing fish outside the aquarium while utilising a constant flow of water from the aquarium. The breeding box can be used for housing female fish that are about to release young (such as livebearers and mouth brooders) and also isolating fry before introducing them to the aquarium. Note: Requires an air pump to operate. Air pump is sold separately. size: Small.