fish-tank › fish species
Electric Blue Jack Dempsey (Rocio octofasciata var.)
Recessive-gene morph — slightly less hardy than wild type; smaller adult size. Same aggression profile.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 55
- adult size in
- 7
- temperature range f
- 72-86
- ph range
- 6.5-8.0
- gh range dgh
- 9-20
- care difficulty
- intermediate
- aggression
- aggressive
- community compatible
- no
- schooling min count
- 1
- diet
- carnivore
- lifespan years
- 8-15
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06