Editor's pick
Lee's
Two-Way Guppy Breeder
A floating net box that separates a pregnant female or newborn fry from the main tank, which matters because adult guppies, including the mother, will eat their own young without a bit of separation.
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Our take
Guppies are livebearers, and a pregnant female left in a community tank will drop her fry straight into a world full of fish, including herself, that see them as a snack. This clear plastic box clips inside the tank and floats a pregnant female in her own water, still warmed and filtered by the main tank, until she gives birth through slotted vents into a separate lower chamber the adults cannot reach. Move the fry out to a proper nursery tank once they are free-swimming, this box is a short-term holding spot for the birth itself, not a place to raise a growing brood long-term.
Good to know
- Two-chamber design separates mother from newborn fry
- Clips or hangs inside an existing tank
- Slotted vents let tank water and warmth through
- Clear plastic for easy viewing
Who it is for
- Guppy keepers who don't want a community tank of fifty overnight
- Isolating a visibly pregnant female before she gives birth
Who should skip it
- Raising fry long-term, move them to a proper nursery tank once free-swimming
- Tanks without room to hang an internal box
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