The incubator is suitable for a wide range of fish, such as tilapia, grouper, sturgeon, catfish, carp and so on. Thefish eggs float evenly in the water and the hatchery bottlelid with anti-escape cap prevents the eggs from escaping. When the eggs hatch into fry, remove the anti-escape net to swim out from the top. The water hose makes iteasy to add nutrients to provide nutrients for the fish eggs.