The utility model discloses an
aquatic product fry breeding device which comprises a bracket seat and a breeding groove, a filter screen
assembly is fixedly installed on the inner side of the upper portion of the breeding groove, a first upper connector and a second upper connector are arranged on the outer side of the breeding groove, the first upper connector is connected with a drainage pipeline, the second upper connector is connected with a filtering circulation
assembly, and the lower portion of the breeding groove is a conical bottom shell. The conical bottom shell is provided with a bottom connector and a side connector, the bottom connector is connected with a
seedling emergence pipeline and a water inlet pipeline, the side connector and the bottom connector are connected through an anti-sinking pipeline, the water inlet pipeline is connected with a filtering circulation
assembly, an inflation
pipe with the bottom end connected with an air stone in an inserted mode is fixed in the cultivation tank, and the air stone is located at the bottom of the conical bottom shell. A drainage control valve is mounted on the drainage pipeline, a first water inlet control valve, a sterilization device and a second water inlet control valve are mounted on the water inlet pipeline, and a
seedling emergence control valve is mounted on the
seedling emergence pipeline. By the adoption of the device, the water changing amount can be reduced, pathogenic organisms can be killed,
water quality is purified, and the
survival rate of aquatic fry is increased.