Embodiments disclosed herein disclose a fish brooding and filtration system. The system includes a brooding tank configured to contain water and fish for breeding. The brooding tank is in fluid communication a filtration tank, which is configured to extract nitrites from the water circulating through the system. A pump circulates the water through at least one conduit and an injector that receives a flow of water generated by the pump and draws air into the injector. The injector is further operable to inject a mixture of the drawn air and the water into the brooding tank.
