Branchiostoma breeding device

The utility model discloses a branchiostoma breeding device, relates to the technical field of breeding devices, and aims to solve the problem that the existing breeding device is too time-consuming and labor-consuming in silt cleaning. A second breeding chamber is formed in the glass tank body, a first breeding chamber is formed above the second breeding chamber, a water treatment chamber is formed below the second breeding chamber, four water spraying pipes which are distributed at equal intervals are arranged at the lower end of the interior of each of the first breeding chamber and the second breeding chamber, and blow-off pipes are arranged between the water spraying pipes; three drainage ports distributed at equal intervals are formed in the upper end of each drainage pipe, a water pump is arranged on one side in the water treatment chamber, a filtering water tank is arranged on one side of the water pump, a sewage collecting cover is arranged at the upper end of each drainage port, and a shielding net