B
Blue Tang
Paracanthurus hepatus
VS
O
Oscar
Astronotus ocellatus
Choosing between Blue Tang and Oscar? 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
Oscar
Astronotus ocellatusCommon Name
Blue Tang
Oscar
Scientific Name
Paracanthurus hepatus
Astronotus ocellatus
Type
Saltwater / Marine
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Aggressive
Minimum Tank
125 gallons
75 gallons
Recommended Tank
180 gallons
125 gallons
Temperature
72°F - 78°F
74°F - 81°F
pH Range
8.1 - 8.4
6.5 - 7.5
Max Size
12 inches
14 inches
Lifespan
8-12 years
10-20 years
Diet
Marine algae, Nori, Marine pellets, Frozen foods, Spirulina
Cichlid pellets, Live foods, Frozen foods, Vegetables, Shrimp
Blue Tang
✓ Good For
- Community tanks
Oscar
✓ Good For
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