Multifunction isolation box:Exquisite workmanship,Transparency,Compact, Family farming,Isolation,Hatch There are cracks on both sides,to ensure the flow of water within the tank and isolation box Only 0.5mm gap,there is no way for juveniles swim out,to ensure the safety of juveniles The unique floating design,Can move anywhere,not sink,double combination,does not occupy space. Unique transparent cover,Ensure the fish does not incite,Middle of the hole,to facilitate feeding. With high strength sucker