Electric Blue Jack Dempsey

Rocio octofasciata

Also known as: EBJD, Blue Jack Dempsey

A variety of Jack Dempsey

A striking blue color strain of the Jack Dempsey that stays smaller and calmer than the wild form.

Water

Freshwater

Temperature

72–86°F

pH

6.5–8

Hardness

8–20 dGH

Max size

8 in

Min tank

55 gal

Temperament

Aggressive

Social

Solitary

Swim level

All

Diet

Carnivore

Care level

Intermediate

Lifespan

8-10 years

Breeding

Substrate spawner

Suitability

Intermediate

Origin

Cultivated form (wild species: Mexico, Belize, Honduras)

Usually grows smaller and is more delicate than normal Jack Dempseys, so keep water very clean and avoid overly aggressive tankmates. Give 55 gallons or more with rockwork and caves. It will eat small fish and may dig up plants.