Best answer
The pregnancy period of fishes varies from species to species depending on living conditions and way of reproduction. Livebearer fishes have3 to 6 weeksof pregnancy. Some species hold their babies inside from1 to 2 months. However,some fishes have the longest gestation period.
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How long are Molly fish Pregnant for?
Overall, a typical molly fish pregnancy will last between twenty (20) and forty days (40) varying between different fishes and species. Read more about molly types here.
How long does it take for fish to give birth?
In some cases, gestation will last a month and the fry will be born already formed. While, in other species, fish gestation process may take up to two months, here are some examples: How long is a guppy fish pregnant?
Is my tropical fish Pregnant?
But the truth is, most tropical fish species, are very noticeable at pregnancy. Like with most living creatures, tropical fish will also present a bigger belly, when pregnant. If you have fish that directly give birth to living fry, it will be easier to spot when they檙e pregnant.
How often do swordtail fish give birth?
A Molly can give birth to many new young fish (10 ?60 at a time). Swordtails will spawn new younger fish, after 28 days have passed since the fertilization moment. Noticing the pregnancy is a little more difficult with Swordtails, but the gestation period is almost every time 28 days.