O
Otocinclus
Otocinclus affinis
VS
R
Red Tail Shark
Epalzeorhynchos bicolor
Choosing between Otocinclus and Red Tail 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.
Otocinclus
Otocinclus affinisVS
Red Tail Shark
Epalzeorhynchos bicolorCommon Name
Otocinclus
Red Tail Shark
Scientific Name
Otocinclus affinis
Epalzeorhynchos bicolor
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
10 gallons
30 gallons
Recommended Tank
20 gallons
55 gallons
Temperature
72°F - 79°F
72°F - 79°F
pH Range
6 - 7.5
6.5 - 7.5
Max Size
2 inches
6 inches
Lifespan
3-5 years
5-8 years
Diet
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach
Algae wafers, Pellets, Vegetables, Flakes
Otocinclus
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
Red Tail Shark
✓ Good For
- Community tanks
- Beginners
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