In most cases, females drop eggs in water and fertilize immediately with sperm from males. Another way is to fertilize in the female body before the female drops it in the water. In the third and final method, the female holds the egg in her body and the young female is born alive.
How long do fish carry babies?
As an example, both female swordtails and guppy lay 20-100 juveniles after 4-6 weeks gestation, and Molly lay 20-60 juveniles 6 weeks gestation. ..
Can fish make their own babies?
Some freshwater fish can penetrate themselves by growing the male genitals and mixing sperm and eggs in the mouth.
How can I know that a fish is pregnant?
Pregnant female fish often create "gravity spots" in the abdomen near the rear vents. This is usually black or bright red and becomes more pronounced during the course of pregnancy. Some fish always have this spot, but usually it gets brighter or darker when the fish becomes pregnant.
Do fish lay eggs from their mouths?
Mouse breeder, a fish that breeds juveniles in the mouth. Examples include certain catfish, cichlids, and cardinal fish. Male sea catfish Galeichthys felis put up to 50 fertilized eggs in their mouths, hatch and hold them until the larvae are at least 2 weeks old.
Below you will find two helpful answers on a similar topic. 👇
Does fish give birth by mouth?Do fish put their babies in their mouth?
