Swordfish is a beautiful ornamental fish. The original factory is in South America. In the country of origin, this kind of fish can generally grow to 7-8CM. Under the condition of artificial feeding, it is large, generally about 12cm. Swordfish are strong, easy to breed and not picky about food. Omnivorous, earthworms, red worms and artificial feed can all be fed. Water quality can generally adapt to weak acid or weak alkali, and has good cold resistance.
Reproductive characteristics: Adult fish are generally sexually mature at the age of 7 months and can mate and give birth. The male and female of red-flag fish are easy to distinguish. The male is slender and bright red, the tail fin forms a powerful mating device, and the female is short and fat. The anal fin is flat and likes to live in groups. The aquaculture water temperature is required to be 23-25 degrees. Generally, the ratio of male to female is 1:3, which is better. Results The fertilization rate was high. The female fish is fertilized in the body to produce young fish eggs. The female fish before parturition has obvious black fetal point in the anus. At this time, the female fish to be born can be caught in the culture pond, so as to keep quiet around the culture pond and avoid the female fish from being frightened by the sperm. Have dystocia. Female fish can produce 30-200 young fish at a time. The number of seeds produced depends on the size of the female fish and the care of the owner. Generally, after a brood of fry is produced, the next brood can be bred every 30-50 days. The newborn fry are hidden in the water grass. After three months of careful feeding, male fish can be distinguished from female fish. At this time, the arrow tail at the lower edge of the tail fin began to develop.
Note: American red fish is easy to cross with moonlight fish. If there are moonfish at home, please keep them separately when breeding to ensure the purity of American red fish.