P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
Y
Yellow Watchman Goby
Cryptocentrus cinctus
Choosing between Pajama Cardinalfish and Yellow Watchman Goby? 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.
Pajama Cardinalfish
Sphaeramia nematopteraVS
Yellow Watchman Goby
Cryptocentrus cinctusCommon Name
Pajama Cardinalfish
Yellow Watchman Goby
Scientific Name
Sphaeramia nematoptera
Cryptocentrus cinctus
Type
Saltwater / Marine
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
10 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
72°F - 78°F
72°F - 78°F
pH Range
8.1 - 8.4
8.1 - 8.4
Max Size
3 inches
3 inches
Lifespan
5-8 years
3-5 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Yellow Watchman Goby
✓ Good For
- Community tanks
- Small tanks
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