The Hagen Marina 3 in 1 breeding trap comes with all the accessories for an all in one, self-contained live-bearer breeding tank, live bearer trap, a betta fish enclosure as well as being ideal for segregating sick or aggressive fish. - Floating safety chamber for pregnant livebearers. - Ideal isolation chamber for sick or weak fish. - V bottom allows fry to fall safely. - 6.5" L x 3.25" W x 3.5" H - 16.5 cm L x 8.25 cm W x 8.9 cm H