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Poecilia
Poecilia includes popular livebearers such as Mollies and Guppies. These adaptable fish are prolific breeders and ideal for community tanks.
3 species indexed
What is Poecilia?
Poecilia is a genus of livebearing freshwater fish that give birth to free-swimming fry rather than laying eggs.
Typical habitat and water envelope
Native to Central and South America, many Poecilia species tolerate a wide range of water conditions including moderately hard water.
| Temperature (typical) | 22 to 28 C |
| pH (typical) | 7 to 8.2 |
| Hardness band (typical) | medium to hard |
| Flow (typical) | low |
Informational only: compatibility logic remains species-level.
Compare species in Poecilia
3 species shown
| Name | Size | Temperament |
|---|---|---|
Common Molly Poecilia sphenops | 10.0 | peaceful |
 Endler's livebearer Poecilia wingei | 3.0 | peaceful |
 Guppy Poecilia reticulata | 5.0 | peaceful |
| Species | Size (cm) | Temp (C) | pH | Hardness | Flow | Temperament |
|---|---|---|---|---|---|---|
Common Molly Poecilia sphenops | 10.0 | 18.0 to 28.0 C | 7.5 to 8.5 | medium to hard | medium | peaceful |
Endler's livebearer Poecilia wingei | 3.0 | 24.0 to 29.0 C | 7.0 to 8.5 | medium to hard | medium | peaceful |
Guppy Poecilia reticulata | 5.0 | 20.0 to 28.0 C | 7.0 to 8.0 | medium to very hard | medium | peaceful |