Jack Dempsey care
Rocio octofasciata
Jack Dempsey (Rocio octofasciata) grows to about 25 cm (9.8 in) and needs a tank of at least 250 liters (66 US gallons). Keep it at 22–29 °C (72–84 °F) with a pH of 6.5–7.5.
FreshwaterMediumAggressiveEats small fish
Adult size25 cm · 9.8 in
Smallest tank250 L · 66 gal
Temperature22–29 °C · 72–84 °F
pH6.5–7.5
GroupAlone or a pair
TemperamentAggressive
SwimsMiddle
DietCarnivore
Usually fine with
Avoid with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyCardinal tetraBronze corydorasZebra danioHarlequin rasboraAngelfishMollyBristlenose plecoCherry barb
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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