How Long Do Molly Fish Be Pregnant in the USA
Mollies 50-70 days.
How do I know when my molly fish will give birth?
Look for the gravid spot on the fish’s abdomen near the rear tail. The spot should appear large and dark when her eggs are fertilized. You will know your fish is close to giving birth when the spot becomes nearly black. Some fish may show white spots instead of black.
How long will a fish be pregnant?
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.
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.
How long does a molly fish live?
The average molly fish lifespan is around three to five years. While they aren’t the longest-living freshwater species out there, there is some wiggle room depending on what species you get. The quality of care you provide will also impact their lifespan significantly.
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 raise Molly Fry?
Raising Fry The fry should be fed a quality food, such as baby brine shrimp, baby fish food, or quality flake food ground into a fine powder. Feed the fry small amounts several times a day. Maintain good water quality by performing regular water changes.
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.
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 do you know when fish are 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.
How often do molly fish 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.
Can a Molly live alone?
Yes, a single Molly Fish can live alone as long as she has all that she needs: clean water, good food, and enough space to swim and play in. Please don’t forget though, that she will be happier with tank mates—whether fellow Mollies or other compatible fish.
How do mollies mate?
The Basic Mating Behavior of Black Mollies When black mollies mate, the male will transfer milt, the fluid that contains his sperm, into the female’s body using is gonopodium. The gonopodium is a special anal fin that is shaped like a rod rather than a normal fin.
How do I stop my molly fish from breeding?
How to Avoid Unwanted Fish Breeding in Your Tank Buy only one gender of fish, preferably males. If you don’t have male and female fish together, there is less chance for baby fish to appear. Choose egg-laying species rather than live bearers. Adjust tanks conditions to make breeding less comfortable.
How do I keep my molly fish happy?
Sandy substrate is recommended just so you can keep vegetation in your tank. To keep them happy, give these little fish with big personalities with things to do like tall plants to hide between. Satisfy their natural curiosity with artificial caves and rocks to explore.
Can mollies mate with other fish?
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.
What can I do with unwanted Molly Fry?
What to do With Unwanted Guppy Fry? 5 Things You Can do With Guppy Fry. Just Leave Them with Their Parents. Separate Them from Their Parents. Give Guppy Fry Away to Friends. Grow Out Guppy Fry and Sell for Profit. Conduct Selective Breeding. Conclusion.
Why do fish eat their babies?
Some fish species such as angelfish are known to take care of their fry and help them grow. But even these fish that exhibit parental care will at times eat their own fry. A further explanation is that by eating her own fry, the female guppy is replenishing her fat storage.