Updated May 14, 2020 Author: Mike - FishLore Admin Social Media: The Molly is a tropical fish that prefers some salt in their water. Mollies do best at a neutral to slighly alkaline pH and a water temperature of 77-83°F (25-28°C). Breeding boxes keep the female contained while the fry slips down through the bottom. I have a very high survival rate. You may also see them in saltwater tanks from time to time. Not every fish eats their young, but some do. Female mollies give birth to babies or young ones that are called so “molly fry”. In the wild, the fry would move into very shallow water where the adult mollies (and any predatory fishes) cannot go, so the females have never evolved any 'maternal behaviour' towards their offspring; as far as the female mollies are concerned, a baby molly is just a meal. Molly Fish Care. Molly fish are livebearers and the females seem to almost always be pregnant, thanks to the voracious Molly fish breeding behavior. Mollies don’t display any parental instincts, and most will attempt to eat the babies. They will readily eat flakes, freeze-dried, frozen, and live foods. While molly babies are so tiny, their parents can eat them. When purchasing mollies, always carefully examine the tank in the fish store, and don’t purchase them if there is any trace of illness. i have not bred mollies, but from what i have read, if sufficient food is not provided, the mother molly might consume some of her fry, though she will probably be too tired to do anything after having given birth. Sometimes, even the mothers will eat their own fry. You should try to include some plant matter into their diet. They are omnivores, eating both plant and meaty foods. Molly Reproduction. Mollies can easily breed in any conditions, but the babies need plenty of hiding space if they are to be raised with their parents. I have had many mollies that did not eat their young. As readilly as mollies breed, it isn't always a bad thing to loose a few to parental consumption. Mollies … I do provide plants like water sprite and duckweed, groups of caboma and such so the fry have places that they can get away from the adults. Because of their inbreeding, they are susceptible to illness, and aren’t as hardy as they used to be. Mollies don’t have any parenting habits so parent molly does not protect their Fry Mollies. A teaspoon of aquarium salt per 5 gallons of water will go a long way in helping them. Here is a video of a balloon belly molly fish … So, if you want to breed balloon mollies, it is a good idea to have a lot live plants in your aquarium, where baby mollies can hide, or you can separate the pregnant balloon molly from the tank. i would advise you to remove her from the tank after she has given birth. Healthy adult mollies can give birth to as many as 100 babies at one time! I had one molly deliver as many as 25 babies, but most of my mama's deliver between 1-10 babies. Black mollies are a color morph, and unfortunately they tend to be badly inbred these days. Even their own mother can eat babies, so they need much care in order to survive. The genus Mollienesia , from which the name mollie was derived, has been re-classified as Poecilia and is considered to be in the same genus as the guppy. And if you’re wondering how big do molly fish get, the answer is: up to 4.5-inches. Females are larger than males and fairly easy to identify, especially because of that near-constant pregnancy. Mollies, like guppies, are capable of acclimating to full strength sea water temporarily, but it is not their natural environment by any means. They eat the tiny bits of flake food that find their way to the bottom of the tank. also try and keep some plants or hidey-holes in the birthing tank so that the fry can hide. My babies usually hide out in the back of the tank and hide in the gravel and other plants.