O

Otocinclus

Otocinclus affinis

VS
U

Upside Down Catfish

Synodontis nigriventris

Choosing between Otocinclus and Upside Down Catfish? 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 affinis
VS

Upside Down Catfish

Synodontis nigriventris
These fish can typically coexist peacefully
Common Name
Otocinclus
Upside Down Catfish
Scientific Name
Otocinclus affinis
Synodontis nigriventris
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
20 gallons
Recommended Tank
20 gallons
30 gallons
Temperature
72°F - 79°F
72°F - 79°F
pH Range
6 - 7.5
6 - 7.5
Max Size
2 inches
4 inches
Lifespan
3-5 years
5-8 years
Diet
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach
Flakes, Pellets, Frozen foods, Algae wafers

Otocinclus

✓ Good For

  • Community tanks
  • Small tanks
  • Schooling displays

Upside Down Catfish

✓ Good For

  • Community tanks
  • Beginners
  • Schooling displays
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