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Jack Dempsey
Rocio octofasciata
A bold, colorful Central American cichlid with iridescent blue-green spots on a dark body. Named for its aggressive temperament. Hardy and visually striking.
Care Parameters
Adult size
20 cm
Min tank
200 L
Temperature
24–28°C
pH
6.5–7.5
GH
5–15 dGH
Diet
Omnivore
Temperament
Aggressive
Water zone
Middle
Difficulty
Intermediate
Schooling
Solitary or pairs.
Suitable Plants
5Cabomba caroliniana
Care profile for Cabomba caroliniana: medium light, medium CO₂, beginner difficulty.
Red Rotala
Red stem plant. Turns red under high light with CO₂.
Blyxa japonica
Care profile for Blyxa japonica: medium-high light, medium CO₂, intermediate difficulty.
Bucephalandra
Care profile for Bucephalandra: low light, low CO₂, intermediate difficulty.
Anubias nana Petite
Care profile for Anubias nana Petite: low light, none CO₂, beginner difficulty.
Suitable Equipment
5
Common Problems
5F
Fin Rot
Fins look frayed, ragged or are visibly shrinking with white or red edges.
fishF
Filter Crash
The biological filter fails after aggressive cleaning, media replacement or a long outage.
equipmentL
Low Filter Flow
The filter output weakens, reducing circulation and filtration.
equipmentC
Cyanobacteria (Blue-Green Slime)
Slimy blue-green or dark purple patches with a foul odor.
waterF
Fish Hiding or Chronic Stress
Fish hide constantly, refuse food and fade in color.
fish