Molly care
Poecilia sphenops
Molly (Poecilia sphenops) grows to about 10 cm (3.9 in) and needs a tank of at least 100 liters (26 US gallons). Keep it at 24–28 °C (75–82 °F) with a pH of 7.5–8.5.
FreshwaterEasyPeacefulTolerates brackish waterPrefers hard waterEats algae
Adult size10 cm · 3.9 in
Smallest tank100 L · 26 gal
Temperature24–28 °C · 75–82 °F
pH7.5–8.5
GroupGroups of 3+
TemperamentPeaceful
SwimsTop
DietOmnivore
Usually fine with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyBronze corydorasZebra danioHarlequin rasboraAngelfishBristlenose plecoCherry barbTiger barbDwarf gourami
Avoid with
Cherry shrimpParadise fishWhite cloud minnowConvict cichlidOscarJack DempseyDemasoni cichlidCommon goldfishKoiPea pufferFigure-eight pufferCrystal red shrimp
Track your tank with Guppi
Log water tests by tapping your kit’s colors, get water change reminders and check every tankmate before you buy.
Typical ranges from hobby references, checked by hand. Individual fish and local water vary.