When black mollies mate, the male will transfermilt, the fluid that contains his sperm, into the female's bodyusing is gonopodium. The gonopodium is a special anal fin that isshaped like a rod rather than a normal fin..
Also to know is, how do you get mollies to breed?
To breed molly fish, start by setting up a 15-30gallon tank for them that includes decorations, a substrate, andfreshwater plants. Then, purchase male and female molly fishso you have no more than 2 fish per 10 gallons of tank space. Afteryou introduce the fish to the tank, wait for them tomate.
Likewise, how many babies do mollies have? Usually between 15-20. And it depends on the size of thefemale. I have a gold molly that is a good size andshe has around 40 babies.
Also know, how often do molly fish mate?
How often do they breed and can you stopthem if you want to? Assuming that you have pairs, Mollieswill give birth every 30 days if the tank conditions are right. Theonly way to stop them is to remove the males or females and onlykeep one sex in your tank.
At what age can mollies breed?
Breeding Age: But in approximation, Male Mollies can becomereproductive at the age when they are about 12 months oldwhile female molly fish usually becomes reproductive in halfof the age of male mollies, which means theycan become reproductive at the age of about 6months.
Related Question Answers
How long is a molly fish pregnant?
The gestation period of a molly fish is around 60days. Female mollies can store sperm for months and may fertilizeeggs as often as every 30 days, even when no male is present in thetank. Mollies may release 10 to 60 live fish at atime.How can you tell if a molly fish is a male or female?
Fin Shape. Most adult male mollies have longerand more elaborate tails, pectoral fins and dorsal fins thanfemales do. However, the most accurate way to distinguishmale mollies from female mollies is to examine the analfin, located on the underside of the body, between the pectoralfins and the tail.Can guppies mate with Mollies?
It is possible for mollies and guppies tocrossbreed, but if you have a male molly it's unlikely thefemale will reproduce with the guppy. Theguppy may attempt though. With all livebearers, likemollies, it's usually best to house 3 females for everymale.Do Mollies eat their babies?
Even though the female Molly is pregnant andgoing to give birth to numerous babies, other fish and eventhe parents will feed on them as soon as given the chance. YES it'sa gruesome thought but that's Mother Nature. So by doing nothing inyour tank, the female will birth her baby fry and they willbe eaten.What is the lifespan of a molly fish?
All Grown Up. By 4 months of age, black molliesare fully grown. And adult black molly can grow to be 5inches in length, and if cared for properly, can live up to 5years. Mollies generally get along with most other tropicalfish, and aren't prone to territorialaggression.Are molly fish easy to breed?
How To Breed Molly Fish. Mollies arelivebearers, which means their eggs develop inside their body sothat live fry can be released. They are one of the easiestfish groups to breed in captivity and will materegularly.Is my balloon molly pregnant?
Balloon belly molly -- how can u detect apregnant one? The dark spot (gravid spot) will show in thebelly region, above the vent and anal fin. It should be visible inmost livebearers, but in some it is paler or smaller, and it muchharder or impossible to see on dark fish, but it'sthere.Do Mollies lay eggs?
No, molly fish do not lay anyeggs, they give birth to complete fish that are ready toswim and feed in a matter of hours. When the eggs hatch, thefemale drops the fry directly into the aquarium. Femalemollies can store up to 100 eggs in their bodies, andeven more in the case of larger molly fishbreeds.How long do guppy fish stay pregnant?
four to six weeks
Do Mollies need a heater?
Do Mollies Need a Heater to Survive? As tropicalfreshwater fish, mollies enjoy warmer water. Therefore,unless you live in a tropical climate, the answer is always:“Yes, you do need a heater for your molly fishtank.” I recommend the Eheim Jager aquarium heater,which you can buy from Amazon.Do Mollies need salt?
Mollies normally inhabit brackish(salt/fresh water estuaries) environments, and dobest in captivity in hard, alkaline water with addedsalt.Do Mollies change color?
Mollies and swordtails can't change sex!Only clownfishes can do that. All fishes change colorgradually as they grow.Do Mollies eat algae?
The truth is that mollies do in fact help withcleaning up the algae in your tank. All mollies willwill eat algae, but out of all of them, the true blackmolly (Poecilia Sphenops) is the best of the group. Theywill usually help with the algae growing on rocks andplants.How do fishes sleep?
Lying down: some fish sink to the bottom of theirbody of water where their bodies can slow down and rest. In thecase of coral reefs, some fish camp out in the coral, buttheir bodies keep moving like they are swimming while theysleep.Can Molly fish live without air pump?
Without an air pump, the tank water maylack sufficient oxygen for it's' inhabitants to breathe.Air pumps are needed for some fish tanks. However,most Molly Fish experts seem to think that an airpump is simply an excellent additive for a Molly Fishtank. Air pumps are beneficial to the everyday lifeof a Molly Fish.How many Mollies Can I put in a 10 gallon tank?
It is very common for sources to tell you that you needa 20 gallon tank for these fish, but you can a bit smallerif you have a couple of mollies in the tank. Forinstance, a 10 gallon tank works for a lot of people and thefish are happy because they have a great home and don't live insmall tiny pet store aquariums.What do baby mollies eat?
Baby mollies can eat your regular fishflakes, crushed finely. Live baby brine shrimp are also apopular baby food. Do not overfeed them. In abouteight weeks your baby mollies should be large enough to gointo the tank with the other fish.Do fish die after having babies?
Their studies show that most baby fish aredestined to die because they are unable to feed from theirenvironment due to a process limited by the physics of water.“Unlike mammals, most fish release eggs and spermexternally in the water.Why is my molly fish swimming upside down?
Your fish's swim bladder lies deep within hisbody as an offshoot of the digestive tube. The bladder containsgas, including oxygen, that lets the fish float upright atthe desired depth. The abnormal ballast can cause the fishto turn sidewise and swim on his side, or even roll entirelyupside down. 
