How to breed shell fish

1. Selection of parent fish: the selected parent fish must be strong, the gonads are fully mature, and the female and male parent fish must be in estrus at the same time. Parent fish must have the characteristics of this species, and usually there should be intimacy between male and female parent fish. Avoid selecting tropical fish in the same nest or related by blood as parent fish, so as to prevent the quality degradation of offspring caused by inbreeding. Broken fin, crippled, deformed tropical fish are not used as parent fish.

2. The preparation of the breeding tank: due to different parent fish species, the breeding tank is also different. In general, tropical fish that lay floating eggs have a larger breeding tank and smaller tanks that spawn eggs. Tropical fish that do not have strict requirements for water quality can use ordinary fish tanks, while those with strict water quality requirements use glass fish tanks. Before use, clean and disinfect the fish tank according to the water quality and water temperature required by the breeding of all kinds of tropical fish, and pour the water into the tank. The height of the water accounts for 1cm, 3mer, 2pm of the height of the breeding tank. Put sand, water plants, stones, etc., at the bottom of the cylinder, but do not release snails and Cyclops.

3. Hatching of fish eggs: water temperature, water quality, hardness, dissolved oxygen, pH and light all affect the hatching of fish eggs. The fertilized fish eggs divide from the animal pole, go through cleavage stage, double morula stage, blastocyst stage, progut stage, embryonic maturity stage, hatching stage, and finally hatch larvae.

4. Feeding of larvae: newly hatched larvae are nourished by yolk sac and begin to feed after they can swim freely. The larvae are fed with paramecium, followed by wheel worms, and finally the screened water fleas are fed. The water does not deteriorate and does not need to be changed. When the water needs to be changed, the injection of new water does not exceed 1x10 of the raw water volume. Keep the money tank of the larvae in a place with a constant temperature as far as possible. When the larvae grow up, they should be raised in separate tanks according to their size. The fish tank that feeds the larvae cannot be mixed with the water centipede, the larva of the hydra dragon flea.