Reproduction hatchingthe betta fish tank can be used as a spawning box for viviparous fish.Such as fighting fish,betta fish,peacock fish,etc.Tipthere is a drainage hole at the bottom of the fish tank, which is convenient for excrement outflow. When you use the fish tank you need to plug the hole on the drainage hole to prevent the water from flowing out. Easier feedingthe betta fish tank is designed with double divider.It can isolate different kinds of fish in two compartments without interfering with each other.The top part of the tank is designed with an easy-open feeding window which allows you to feed the fish without removing the entire lid. Scientific sizethe size of this betta fish tank is 7.483.545.51 inches.It was designed by an expert who has been studying fish for 30 years.This size is great for your home, office or even outdoorsit will make your pet fish live a healthier and more enjoyable life. Clear safe viewingthe main material of this betta fish tank is acrylic.The acrylic material can look more clear than glass but not as dangerous and fragile as glass.If you have children or the elderly in your home,it will be perfect for your family.Even if the children or the elderly accidentally knock over the fish tank, it will not cause any harm to them. Easier cleaningthe betta fish tank features a self cleaning system which includes a lifting lid, a bottom grid filter and a top easy-open water drain cover allowing for easier water changes.This simple,low-maintenance,economical kit lets you start your fish-keeping life.