Overview
The Electric Blue Jack Dempsey (Rocio octofasciata var.) is a intermediate freshwater species known for its electric blue coloration. Blue color morph. Mid to Bottom.
Origin & Appearance
Origin: Captive-bred.
Colors: Electric Blue.
Body Shape: Moderately Compressed (oval-flat). Typical adult dimensions: 20.0 x 3.0 x 9.0.
Sexual Dimorphism: Subtle.
Tank & Water Requirements
| Min Tank Size | 53 gallons |
| Temperature | 72–86°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | high |
| Oxygen Demand | medium |
| Plant Safe | no |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Mid-level swimmer; slightly less aggressive than standard; deliberate cruising with territorial awareness
Speed: 42/100Aggression: 5/10diurnalSchooling (6+)
Breeding
Difficult; substrate spawner; recessive gene
Common Diseases
💊 Ich💊 HITH💊 weaker than standard JD
Expert Notes
Blue color morph; less aggressive