Dimensions: 19.5cm x 10.5cm x 10cm. 1.2 litres. Easy to assemble. Ideal isolation chamber for pregnant fish. Provides a safe haven for weak or sick fish. Base separator provides protection for new born fry. These breeding traps can be set up to suit your individual needs and are an ideal isolation chamber for pregnant fish. Conveniently, this cage can also be used as a haven for sick or weak fish. The midi cage comes with a base separator, to provide new born fry protection. The cage can be fixed to any part of the aquarium using the suction cups provided. Using the suction cups provided, insert them into the cut outs in the floating chambers and stick to the side of the aquarium, near the surface or simply let it float around.