You should have at least one 3 year old male and female in your tank. Younger females can reproduce, however they can become egg-bound which is dangerous for them. Signs that your goldfish are ready to mate include white spots along the gills of the males, and the female will become fatter and more rounded.
Can store bought fish have babies?
This is especially true if you only add male fish to your tank. Female fish, however, could be pregnant when they are purchased, and depending on the species, may produce fry for several weeks or months after their last contact with a male. To be on the safe side, only opt for male fish in your tank.
How long are fishes pregnant for?
But here’s an indication of how long each of the popular species is pregnant for: Guppies 21-35 days. Platies 24-35 days. Swordtails 28 days.
Are my fish fighting or mating?
If they are fighting, a fish that feels threatened is more likely to cower in a corner, not dive into the situation head on. … They’re basically trying to protect their breeding ground, and a fish of the same species and sex is competition.
Will baby fish survive in my tank?
Not necessarily. Many fish breed very easily and produce great numbers of offspring, simply because very few will survive to adulthood. The more fish in your tank, the more you will need to feed them, the more feces they will produce and the harder your filtration system will have to work.
How do you tell if your fish is pregnant or just fat?
Carrying Eggs – One reason your fish may appear slightly bigger is because it is carrying eggs. If your fish is a female, is not overly fat, and is normal in most other regards, this is a very high possibility. Another indication is if your fish has an enlarged vent; this is where the eggs will come out.
Do fishes eat their babies?
Summary: Many animals go to great lengths to ensure the survival of their offspring – yet some species actually eat some or all of their babies. There is not always an obvious explanation – like a food shortage – for such filial cannibalism.
Does fish give birth through mouth?
Sometimes the female fish will carry the fertilized eggs in her mouth, or the male and female will trade off, which is called biparental mouthbrooding.
What fish dont eat their babies?
Dwarf corydoras don’t eat their own or other fish’s eggs or fry.
How do fish get impregnated?
In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male. Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.