How does a pregnant Molly fish look?
The Gravid Spot Is Very Visible
The dark spot under the Molly’s belly will now be at its most visible point. The spot is triangular in shape and gets darker and larger the closer a molly is to giving birth. The spot is located towards the anal vent of the pregnant Molly.
How do you know when your molly fish is about to give birth?
The Eyes of the Fry and Signs of Impending Birth
To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.
How long is the pregnancy of a molly fish?
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.
How do you know 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.
Will Molly fish 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.
Fish that sit at the bottom are pregnant
Fish that sit at the bottom – most of the time are actually doing so because they are not feeling well. Or suffering from poor water quality.
How long do Molly fry take to grow up?
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 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.
Are molly fish easy to breed?
Breeding. Mollies are livebearers, which means their eggs develop inside their body so that live fry can be released. They are one of the easiest fish groups to breed in captivity and will mate regularly.
How often do molly fish have babies?
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.