a small fish tank of about 15-30 cm should be used to raise the colorful angelfish fry. If a large fish tank is used, the water should be reduced to less than half. The water quality of the fry should be slightly harder, and the water contains more minerals, so that the fry will grow better. The water temperature should be kept between 28 and 30 degrees Celsius, not too low.
During the three weeks after the fry was born, they could only maintain their strength by sucking the nutrient solution from the parent fish and eating brine shrimp, and the nutrition they took in was not enough. Therefore, the farmer can drop the vitamin solution in the water. When the fry grow to 2 centimeters, they can be fed with self-made broken "hamburgers" containing a variety of nutrients. The filter of the tank for raising fish fry should be a biochemical sponge filter to prevent the fish fry from being sucked away by the filter.
The eggs of the Seven-color Angelfish are hatched into fry in 2 days. The fry can go up to the body in 2-3 days and begin to suck the nutrient solution secreted from the body of the parent fish. At this time, the fry will not look for food and can only maintain their physical strength by sucking lecithin. Five days after birth, the fry can be fed brine shrimp. Feeding fry every day to feed 4-6 times, fry to change water after eating, each time for a third or a quarter can be. When the fry reach 2 centimeters, the farmer can feed the chopped "hamburger" 4-6 times a day. Burgers can be made with heart crumbs, ground shrimp, a few vegetable leaves and bits of spirulina, and yeast.
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