If you give them adequate food and proper tank setup you can expect fully matured guppies within 2 months.
Baby guppies born in tank.
Exactly how large depends on the size of the fish in the main tank but the minimum size the babies should be before you move them is about an inch long.
How to save your baby guppies in a community tank.
After your guppy fry was born and you were able to rescue it before the adult guppies were able to get to it.
For example you might keep your pregnant fish in a small 5 us gal 19 l tank until she gives birth.
This way your baby guppies are born in a safe environment.
Saving your guppy fry.
You re probably wondering what s next.
Feed the fry baby brine shrimp microworms or daphnia until they are large enough to consumer fish food flakes.
But do not give up.
Here are the different guppy fry growth stages that you can expect.
If you do not separate the adult guppies from the tank where the fry are there is a very high chance that the baby guppies will be eaten by the adult guppies.
Moreover the parents guppies could eat their baby guppies.
I wouldn t just leave them be in a tank unless you don t have acess to the pet store to buy a breeder tank.
After they re born the baby guppies can live in this tank until they re big enough to join your aquarium.
Assemble a breeder net or breeding hatchery cube.
Baby guppies are neglected by the parents guppies and totally ignored.
Remove the female from the unit to prevent cannibalism.
Rigging up a whole new tank takes up space and costs money but if you go to your local pet shop you should be able to find a variety of nursery tanks small plastic or net containers that fit either inside or on the outside of the parent tank.
Put the female in the breeder tank.
There are dividers in the tank so when the fry are.
The babies need aeration or rather filtration every bit as much as the adult guppies.
Place the female guppy inside the hatchery unit until the small fry are born.
You can find a fish breeder net at your local pet store or online.
This behavior is especially common in crowded tanks.