You can find a fish breeder net at your local pet store or online.
Baby guppies born in tank.
The babies need aeration or rather filtration every bit as much as the adult guppies.
Remove the female from the unit to prevent cannibalism.
Put the female in the breeder tank.
If that s small enough for some of your other fish to eat give the baby guppies a bit more time to grow until they re too big to be swallowed.
Adult fish will eat both their own fry and the fry of other fish.
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.
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.
For example you might keep your pregnant fish in a small 5 us gal 19 l tank until she gives birth.
Place the female guppy inside the hatchery unit until the small fry are born.
If you give them adequate food and proper tank setup you can expect fully matured guppies within 2 months.
Here are the different guppy fry growth stages that you can expect.
You re probably wondering what s next.
But do not give up.
How to save your baby guppies in a community tank.
Assemble a breeder net or breeding hatchery cube.
Affix it to the side of the tank.
Saving your guppy fry.
After your guppy fry was born and you were able to rescue it before the adult guppies were able to get to it.
This behavior is especially common in crowded tanks.
This way your baby guppies are born in a safe environment.
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.
Feed the fry baby brine shrimp microworms or daphnia until they are large enough to consumer fish food flakes.
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.