X-ray tetra care
Pristella maxillaris
X-ray tetra (Pristella maxillaris) grows to about 5 cm (2 in) and needs a tank of at least 60 liters (16 US gallons). Keep it at 24–28 °C (75–82 °F) with a pH of 6–7.8.
FreshwaterEasyPeaceful
Adult size5 cm · 2 in
Smallest tank60 L · 16 gal
Temperature24–28 °C · 75–82 °F
pH6–7.8
GroupGroups of 6+
TemperamentPeaceful
SwimsMiddle
DietOmnivore
Usually fine with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyCardinal tetraBronze corydorasZebra danioHarlequin rasboraMollyBristlenose plecoCherry barbTiger barb
Avoid with
Fancy goldfishParadise fishWhite cloud minnowConvict cichlidOscarJack DempseyDemasoni cichlidSeverumCommon goldfishKoiPea pufferBala shark
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.
Tetra rayos XPristelaPristellaSternflecksalmlerPristellaX-ray tetra