up? The medaka can grow up in about 4-6 months. They are small in size, and their adult size is 3-4 centimeters. If the environment is comfortable and the food and space are sufficient, the adult time of the medaka is about 4 months. If the breeding environment is poor and the medaka are often sick, they will reach adulthood for a longer time, and some may die directly. The body length of medaka can reach 0.3 cm after birth, 0.5 cm after one week of birth and about 1 cm after one month of birth. After 4-6 months of birth, the body length can reach 2-3 centimeters. The body length of many adult medaka is 2-3 centimeters, and some of them have good physique and can grow to 4 centimeters.
medaka? Black lines will appear on the ventral fins of the male medaka after estrus. The pregnant female will come forward to mate. After mating, the female will lay eggs in 2-3 days. Each time, 10-20 eggs are laid. The eggs can hatch in about 8-14 days. After spawning, breeders need to fish them out immediately to prevent them from eating the eggs as food. Medaka have a strong ability to reproduce, and if the environment is suitable, they can reproduce all year round. If breeders want them to breed, they can keep the water temperature above 20 degrees Celsius and keep the water quality stable, so that they can breed many times.
