B

Betta Fish

Betta splendens

VS
O

Otocinclus

Otocinclus affinis

Choosing between Betta Fish and Otocinclus? 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.

Betta Fish

Betta splendens
VS

Otocinclus

Otocinclus affinis
These fish may not be compatible - check temperament and water requirements
Common Name
Betta Fish
Otocinclus
Scientific Name
Betta splendens
Otocinclus affinis
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
5 gallons
10 gallons
Recommended Tank
10 gallons
20 gallons
Temperature
76°F - 82°F
72°F - 79°F
pH Range
6.5 - 7.5
6 - 7.5
Max Size
3 inches
2 inches
Lifespan
2-5 years
3-5 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach

Betta Fish

✓ Good For

  • Beginners
  • Small tanks

Otocinclus

✓ Good For

  • Community tanks
  • Small tanks
  • Schooling displays
Explore More

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