Crayfish partition breeding and breeding device

The device comprises a culture pond and a net cage, a concrete ground is arranged on the outer side of the culture pond, a water inlet pipe is installed inside the concrete ground on the upper portionof one side of the culture pond, a drainage pipe is installed inside the concrete ground on the lower portion of the other side of the culture pond, and a support is installed at the bottom of the culture pond. Net cages are placed at the top of the support at intervals, an air adding pipe is installed in the middle of the bottom of the culture pond, the end of the air adding pipe is connected with the bottom end of an air conveying straight pipe in a sealed mode, and the upper end of the air conveying straight pipe is connected with an air outlet of an air blower. Air is conveyed to the interiors of the air outlet guide pipes through the hard guide pipes, each air outlet guide pipe blows upwards to supplement oxygen in water in the culture pond, and normal growth of shrimp seeds and shrimp larvae in the net cage