Usually about 4-6 weeks. You will see the belly look like a balloon.
Make sure you have no other types of fish in there, as the cute little babies will get eaten. 60 to 70 days ,normally they have 10 to 60 fry [babby's] each time. And once the male mates with the female she can have 4 more sets of fry in the space of 6 months just from that 1 time mating up to 1 to 60 fry again. Don't forget every cm of fish = 1 litre of the water in the tank so don't over populate.
Lions can take anywhere between a couple of hours and a day to give birth. The birth can be quite slow as there are no vets available in Africa.
A sloth's pregnancy typically lasts for about 10 months, and they give birth to a single baby at a time. Once born, the baby sloth will usually cling to its mother for several months until it is ready to be more independent.
Penguins typically have a gestation period of around 32-68 days, depending on the species. After this period, the female penguin will lay an egg, which then needs to be incubated for another 30-40 days before hatching. So, in total, it can take around 2-3 months for a penguin to give birth.
A pig is simialr to a dog. After the babies have been weaned from their mother, about a week after, she will go into heat, and then should continue to go into heat every 21 days.
Two to three weeks.
The time it takes for Molly to give birth can vary, but on average it can take around 6 to 12 hours for a dog to give birth to a litter of puppies.
A molly fish typically gives birth within 4 to 6 weeks after mating.
The average gestation period for a dog like Molly is around 63 days.
Idon't no if this will help but if there is a male in the same tank as the female molly then 80% of the time the female is pregnant.
a long time
An average of 42 days is the time is takes for a ferret to give birth.
i think it will take about two weeks
100 Years
It takes 12 months for a dolphin to give birth to another dolphin (calf).
Mollies typically give birth within 4 to 6 weeks after mating.
3 years
about 72 hours