B
Blue-Green Chromis
Chromis viridis
VS
O
Otocinclus
Otocinclus affinis
Choosing between Blue-Green Chromis 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.
Blue-Green Chromis
Chromis viridisVS
Otocinclus
Otocinclus affinisCommon Name
Blue-Green Chromis
Otocinclus
Scientific Name
Chromis viridis
Otocinclus affinis
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
55 gallons
20 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
4 inches
2 inches
Lifespan
8-15 years
3-5 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Otocinclus
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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