B
Blue Tang
Paracanthurus hepatus
VS
J
Jack Dempsey
Rocio octofasciata
Choosing between Blue Tang and Jack Dempsey? 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.
Blue Tang
Paracanthurus hepatusVS
Jack Dempsey
Rocio octofasciataCommon Name
Blue Tang
Jack Dempsey
Scientific Name
Paracanthurus hepatus
Rocio octofasciata
Type
Saltwater / Marine
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Aggressive
Minimum Tank
125 gallons
55 gallons
Recommended Tank
180 gallons
75 gallons
Temperature
72°F - 78°F
75°F - 80°F
pH Range
8.1 - 8.4
6.5 - 8
Max Size
12 inches
15 inches
Lifespan
8-12 years
10-15 years
Diet
Marine algae, Nori, Marine pellets, Frozen foods, Spirulina
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Blue Tang
✓ Good For
- Community tanks
Jack Dempsey
✓ Good For
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