P
Penguin Tetra
Thayeria boehlkei
VS
R
Rainbow Shark
Epalzeorhynchos frenatum
Choosing between Penguin Tetra and Rainbow Shark? 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.
Penguin Tetra
Thayeria boehlkeiVS
Rainbow Shark
Epalzeorhynchos frenatumCommon Name
Penguin Tetra
Rainbow Shark
Scientific Name
Thayeria boehlkei
Epalzeorhynchos frenatum
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
15 gallons
30 gallons
Recommended Tank
20 gallons
55 gallons
Temperature
72°F - 82°F
72°F - 79°F
pH Range
6 - 7.5
6.5 - 7.5
Max Size
3 inches
6 inches
Lifespan
5-8 years
5-8 years
Diet
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Algae wafers, Pellets, Vegetables, Flakes
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Rainbow Shark
✓ Good For
- Community tanks
- Beginners
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