ATKINSON INCUBATOR
a series of trays (usually up to ten) with wire-mesh bottoms enclosed in a box or frame with one tray as a lid. Fish eggs are placed on the trays with an egg scooper, each tray taking about 2500 eggs. Four frames are placed in a hatching tank through which water is run at a selected temperature, allowing the eggs to hatch away from predators for stocking the fry