O
Otocinclus
Otocinclus affinis
VS
R
Royal Gramma
Gramma loreto
Choosing between Otocinclus and Royal Gramma? 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
Royal Gramma
Gramma loretoCommon Name
Otocinclus
Royal Gramma
Scientific Name
Otocinclus affinis
Gramma loreto
Type
Freshwater
Saltwater / Marine
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
30 gallons
Recommended Tank
20 gallons
40 gallons
Temperature
72°F - 79°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
2 inches
3.5 inches
Lifespan
3-5 years
5-6 years
Diet
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Marine flakes, Copepods
Otocinclus
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
Royal Gramma
✓ Good For
- Community tanks
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