This uniquely designed rectangular aquarium make a great betta showcase. It features three independent compartments that safely separate your bettas while their close proximity prompts them to intensify their colors, spread their fins and flair their gills for a delightful and colorful display. The removable lid features a pivoting, self-latching feeding hole cover and an airline tubing hole for each independent compartment. Liquid volume - 3 / 24oz. Size 8-1/2" long x 4-3/4" high x 4-1/4" dia.