Can black mollies get pregnant?
Breeding will normally take care of itself in a molly tank, and as long as you ensure that you maintain at least a two to one ratio of females to males, you will soon have pregnant mollies. The pregnant mollies can be identified by a dark gravid spot near their anal fin, and a considerably plump stomach.
How long do black mollies stay pregnant?
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.
Do black mollies eat their babies?
In a breeding net, the fry are exposed to the same water conditions the rest of the tank is experiencing. 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.
How long do molly fish stay pregnant?
As I’ve mentioned above, mollies are usually pregnant for a period anywhere from 20 to 40 days (average 30 days). Of course, that would be how long they’ll last from conception to birth. But before this period, there is usually a courtship period between the male and female molly, which can last another couple of days.
Do pregnant mollies hide?
A gravid molly will have a change in behavior, usually becoming slower, and tend to hide more than is normal only coming out to feed. Your fish might also become more aggressive to tank mates, particularly those that venture into her hiding spot.
How fast do Molly Fry grow?
Watch their growth. It will take around one to two months for your fry to grow large enough to be introduced into your standard aquarium. The fry should be larger than the mouths of an adult molly fish. Do not move the molly fry until you are sure they are ready to handle your larger tank.
How long does a Molly stay pregnant?
How long do mollies give birth for?
Female mollies will gestate their young for about 60 days. They can give birth to between 40 and 100 fry.
How many fry do Mollies give birth to?
Gestation and Birth 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. When a molly female is near her time to give birth, you will need to separate her from the rest of the tank.
How can you tell if a black Mollie is pregnant?
Breeding. The pregnant mollies can be identified by a dark gravid spot near their anal fin, and a considerably plump stomach. 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.
How often does a black molly fish give birth?
Black molly fish are short-tailed molly fish that give birth every 60 to 70 days. They usually give birth to between 10 and 60 baby fish, and the baby fish are usually about 1/2 inch long at birth. Molly fish naturally eat their young, and if a fish breeder wants to discourage this phenomenon,…
What to do if your pregnant Molly is about to give birth?
If your pregnant molly seems to be close to giving birth, then the first thing you should do is move the mother molly before she gives birth. You will easily know if the fish is about to give birth as mentioned earlier.
How are black mollies different from other fish?
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. Because of this, they generally have a very high survival rate, though some adult fish may still eat them.