Guppies 21-35 days. Platies 24-35 days. Swordtails 28 days. Mollies 50-70 days.
How long does it take for a molly fish to give birth?
The gestation period of a molly fish is around 60 days. Female mollies can store sperm for months and may fertilize eggs as often as every 30 days, even when no male is present in the tank. Mollies may release 10 to 60 live fish at a time.
How long is the pregnancy of a fish?
As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.
Do mollies eat their babies?
Cannibalism is normal with mollies and other livebearers like guppies and platys. As fecund as they are, you don’t really need to worry about saving every last one.
Can mollies change gender?
Mollies are not able to change gender. The gender of these fish is determined by their genetics so it is impossible for them to change sex.
How often do balloon mollies give birth?
Once the female is impregnated, she can give birth to as many as five or more broods of young at intervals of four to six weeks. The number of each brood may vary from 12 to 15 babies from a young Mollie to as many as 150 young from a large swordtail.
How does a molly fish get pregnant?
Allow the fish to mate with one another. Mollies are hierarchical fish. This means the ideal combination of male and female fish is one male for multiple females. You may see the male under the female; this is how the fish copulate. If their mating is successful, their babies should be born in about 3 to 5 weeks.
How many babies do mollies have?
Gestation and Birth Female mollies will gestate their young for about 60 days. They can give birth to between 40 and 100 fry. Mollies that are young or are having one of their first few pregnancies will tend to give birth to a smaller rather than larger number of fry.
Can you tell if a fish is pregnant?
As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
Why does my fish look pregnant?
Dropsy refers to a condition in which fish often have hugely swollen bellies, and the continuing use of the term probably has to do with how it so accurately depicts the visual symptom: the belly drops down. Sometimes the condition is also known as bloat.
How long are live bearing fish pregnant?
Often female livebearers are already pregnant when you buy them as they are kept together with males in aquatic stores and suppliers. But here’s an indication of how long each of the popular species is pregnant for: Guppies 21-35 days. Platies 24-35 days.
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.
What is the lifespan of molly fish?
The molly fish lifespan is two to five years. This freshwater fish is not known to live a long life. Their lifespan actually depends on the environment you provide when keeping them as a pet. The water conditions impact the lifespan of mollies as they are prone to diseases if the water conditions are poor.
Can mollies crossbreed?
Albeit there being several varieties of molly fish, they all can be mated because regardless of the color or fin configuration, they are the same species, and any male will readily fertilize with all females. So, put simply, different colors and shapes of mollies are still the same fish and will readily breed.
Can I keep two male mollies together?
Mollies tend to stick together most of the time, which is why you should keep them in groups of 4 or more. If you are planning to keep more than 4 mollies, make sure you get a 20-gallon tank at least. Since male mollies are aggressive breeders, adding more females should divert the males’ attention between them.
What female fish turns into a male?
In animals Clownfish, wrasses, moray eels, gobies and other fish species are known to change sex, including reproductive functions. A school of clownfish is always built into a hierarchy with a female fish at the top. When she dies, the most dominant male changes sex and takes her place.
What is the lifespan of a balloon Molly?
The balloon molly fish has a life expectancy similar to those of other types of mollies kept in captivity: three to five years. This life span is based on ideal conditions, such as brackish water or saltwater rather than freshwater, which can make a balloon molly fish susceptible to disease and illness.
How can you tell the gender of a balloon Molly?
The easiest way to tell a male molly from a female is by looking at the anal fin. If you start at the back of the fish and move forward, the anal fin is the first fin on the bottom of the fish. In the case of balloon mollies with their rounded bodies, this fin points the same direction as the caudal or tail fin.