B
Blue Tang
Paracanthurus hepatus
VS
S
Siamese Algae Eater
Crossocheilus oblongus
Choosing between Blue Tang and Siamese Algae Eater? 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
Siamese Algae Eater
Crossocheilus oblongusCommon Name
Blue Tang
Siamese Algae Eater
Scientific Name
Paracanthurus hepatus
Crossocheilus oblongus
Type
Saltwater / Marine
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
125 gallons
30 gallons
Recommended Tank
180 gallons
55 gallons
Temperature
72°F - 78°F
75°F - 79°F
pH Range
8.1 - 8.4
6.5 - 7.5
Max Size
12 inches
6 inches
Lifespan
8-12 years
10-12 years
Diet
Marine algae, Nori, Marine pellets, Frozen foods, Spirulina
Algae, Algae wafers, Vegetables, Flakes, Frozen foods
Blue Tang
✓ Good For
- Community tanks
Siamese Algae Eater
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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