Swordtail care
Xiphophorus hellerii
Swordtail (Xiphophorus hellerii) grows to about 12 cm (4.7 in) and needs a tank of at least 100 liters (26 US gallons). Keep it at 22–28 °C (72–82 °F) with a pH of 7–8.4.
FreshwaterEasyPeacefulPrefers hard waterJumps: keep a lid on
Adult size12 cm · 4.7 in
Smallest tank100 L · 26 gal
Temperature22–28 °C · 72–82 °F
pH7–8.4
GroupGroups of 3+
TemperamentPeaceful
SwimsTop
DietOmnivore
Usually fine with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyCardinal tetraBronze corydorasZebra danioHarlequin rasboraAngelfishMollyBristlenose plecoCherry barb
Avoid with
Cherry shrimpParadise fishConvict 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.
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