J
Jack Dempsey
Rocio octofasciata
VS
T
Threadfin Rainbowfish
Iriatherina werneri
Choosing between Jack Dempsey and Threadfin Rainbowfish? Both are excellent choices, but they have different care requirements and temperaments. Use the detailed comparison below to make an informed decision based on your experience level, tank size, and community goals.
Jack Dempsey
Rocio octofasciataVS
Threadfin Rainbowfish
Iriatherina werneriCommon Name
Jack Dempsey
Threadfin Rainbowfish
Scientific Name
Rocio octofasciata
Iriatherina werneri
Type
Freshwater
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
10 gallons
Recommended Tank
75 gallons
20 gallons
Temperature
75°F - 80°F
75°F - 82°F
pH Range
6.5 - 8
6 - 7.5
Max Size
15 inches
2 inches
Lifespan
10-15 years
3-5 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Small pellets, Frozen foods, Brine shrimp, Daphnia
Jack Dempsey
✓ Good For
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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