How often can tropical fish have babies?
Depending on water conditions, temperature, and diet some livebearers can have broods as often as every four to eight weeks. You can tell if a female is ready to give birth by her enlarged abdomen or a dark spot located near her anal fin. The spot will turn darker as her delivery date nears.
Will baby fish survive in my tank?
Not necessarily. Many fish breed very easily and produce great numbers of offspring, simply because very few will survive to adulthood. The more fish in your tank, the more you will need to feed them, the more feces they will produce and the harder your filtration system will have to work.
How many babies do tropical fish have?
Guppies and mollies can deliver as many as 20 fry at once. Usually, your fish will have fewer babies her first pregnancy with the number of fry being delivered or hatched growing with each pregnancy.
How do I know when my fish is going to give birth?
Look for the gravid spot on the fish’s abdomen near the rear tail. The spot should appear large and dark when her eggs are fertilized. You will know your fish is close to giving birth when the spot becomes nearly black. Some fish may show white spots instead of black.
How do you tell if a fish is pregnant or fat?
Carrying Eggs – One reason your fish may appear slightly bigger is because it is carrying eggs. If your fish is a female, is not overly fat, and is normal in most other regards, this is a very high possibility. Another indication is if your fish has an enlarged vent; this is where the eggs will come out.
Do baby fish need their mothers?
They don’t lay eggs; their young come out swimming. And they are prolific breeders as well. Molly babies get no protection from their parents. The tiny fish are just as likely to be eaten by their own mother as they are by other fish in the aquarium, so to survive they’re going to need a little help.
Do baby fish need heaters?
The baby fish are very small and fragile; any unnecessary water movement may injure them and make it more difficult for them to move around and locate food. Make use of a small heater to regulate the temperature.
Can baby fish live without a filter?
They are especially sensitive to bacterial and fungal infections, so clean water is even more important for developing fry than it is for adults. However, guppy fry are so small that they are unlikely to produce the same amount of waste as adults, so they don’t need as much filtration.