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Jack dempsey - Cichlasoma octofasciatum

Jack dempsey - Cichlasoma octofasciatum

Scientific name: Cichlasoma octofasciatum

Common name: Jack dempsey

Family: Cichlidae

Usual size in fish tanks: 15 - 20 cm (5.91 - 7.87 inch)


Recommended pH range for the species: 7 - 8.5

Recommended water hardness (dGH): 18 - 30°N (321.43 - 535.71ppm)

0°C 32°F30°C 86°F

Recommended temperature: 25 - 28 °C (77 - 82.4°F)

The way how these fish reproduce: Spawning

Where the species comes from: Central America

Temperament to its own species: aggressive/territorial

Temperament toward other fish species: aggressive/territorial

Usual place in the tank: Bottom levels


Jack dempsey’s will eat small fish, earthworms, snails, insects as well as plants, vegetables, lettuce.


The top edge of the dorsal fin is coloured into dark red, and males have a pointed genital papilla.


You’ll need an acidic (pH level below 7.0) and relatively soft water (dGH about 12). Naturally, increase the temperature. Eggs are laid on a previously cleaned rock.


Jack dempsey’s use to live about 10 years, but they can also live for 13 or even more years.Source:

Picture credit

Thanks to Kevin and Corey Bower who have allowed us to use the pictures. Also thanks to Jeremie and Ben! Some pictures were bought from

Jack dempsey cichlid Jack dempsey cichlid Jack dempsey cichlid Jack dempsey cichlid Jack dempsey cichlid, picture 5 Jack dempsey cichlid, picture 6 Jack dempsey cichlid, picture 7 Jack dempsey cichlid, picture 8 Jack dempsey cichlid, picture 9 Jack dempsey cichlid, picture 10 Jack dempsey cichlid, picture 11 Jack dempsey cichlid, picture 12 Jack dempsey cichlid, picture 13 Jack dempsey cichlid, picture 14

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