Hatched fry separating device

The invention discloses a hatched fry separating device comprising a water tank with the bottom provided with a fry feeding tube. A pressure resistant tube penetrates the interior of the water tank longitudinally; the pressure resistant tube adjacent to the bottom of the water tank is provided with a tray in a sleeved manner; the pressure resistant tube adjacent to the upper edge of the water tank is provided with a top cover; a funnel-shaped screen with narrow bottom is arranged between the edge of the top cover and the edge of the tray; a water incoming tube is arranged adjacent to the side of the water tank adjacent to the upper edge; one end of the pressure resistant tube is connected to an air pump, and the other end of the pressure resistant tube is provided with a pressure resistant valve; the position of the pressure resistant tube between the top cover and the tray is provided with through holes; the water tank is provided with a level sensor and an oxygen dissolving sensor; a pipeline connected to the tail end of the water incoming tube is provided with a jet pump and extends adjacent to the bottom of an incubator; the tail of the pressure resistant tube is arranged adjacent to the upper edge of the incubator. The device is capable of gathering hatched fries and preventing the fries from oxygen deprivation, water pollution is reduced, operation is facilitated, blockage is prevented, reliability is high, and cost is low.