How long do black molly fish give birth?
Gestation and Birth Female mollies will gestate their young for about 60 days. They can give birth to between 40 and 100 fry.
Does black molly give birth?
Black mollies are a live bearer fish, and unlike most other commonly kept fish, they don’t lay eggs. The fry develop inside of the female, and they are born fully formed and swimming. After the female has given birth, she should also be removed from the fry tank.
Why is my male molly chasing my pregnant female Molly?
Predominantly, a male molly might chase its female counterpart to mate. A male molly may also become aggressive with the other male population in the tank to mark its territory or for the attention of females present in the aquarium. Yes it’s normal, it could be that they are breeding too.
Why is my Molly chasing my other Molly?
The reasons why Molly fish will chase each other and seem aggressive has to do mostly with mating rituals that involve attention-seeking behavior. This is when a male molly chases a female molly or aggressively fights off the other male mollies in the tank. A: A female’s belly will swell to be much larger than usual.
When does a black molly fish become pregnant?
The fish males become reproductive at about the age of 12 month, and females when being 6 month old. The female fish carries eggs for about 35 – 45 days. It’s difficult to see if the female fish is pregnant, especially in case of black molly fish.
Is it possible for a female Mollie to get pregnant?
So even if your fish tank has no males, the female molly might end up pregnant. Mollies mostly release approximately 10 to 60 live fish at once. Mollies have the same characteristics as livebearers like Guppies, Platy and Swordtails.
How can you tell if your Molly is pregnant?
A swollen belly and dark line at the underside of the molly are sure told signs that your molly is pregnant. The spots near her tail fin will darken as the delivery date gets nearer. Adult mollies, especially male mollies feed on newly born fish, so it is important to move the mother molly to a nursery tank even before the birth of the fry.
What to do with a pregnant Molly fish tank?
Add a simple sponge filter or any other appropriate filtration for the size of your tank. If you do not want to use a mesh or foam-covered filter, then purchase a fitting or attachment from any pet store in order to make the fish tank safer for the fry. Another thing you can do is make your own filter modification.