R
Royal Gramma
Gramma loreto
VS
X
X-Ray Tetra
Pristella maxillaris
Choosing between Royal Gramma and X-Ray Tetra? 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.
Royal Gramma
Gramma loretoVS
X-Ray Tetra
Pristella maxillarisCommon Name
Royal Gramma
X-Ray Tetra
Scientific Name
Gramma loreto
Pristella maxillaris
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
40 gallons
20 gallons
Temperature
72°F - 78°F
64°F - 82°F
pH Range
8.1 - 8.4
6 - 8
Max Size
3.5 inches
2 inches
Lifespan
5-6 years
4-6 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Marine flakes, Copepods
Flakes, Pellets, Frozen foods
Royal Gramma
✓ Good For
- Community tanks
X-Ray Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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