C
Comet Goldfish
Carassius auratus
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Comet Goldfish and Pajama Cardinalfish? 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.
Comet Goldfish
Carassius auratusVS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Comet Goldfish
Pajama Cardinalfish
Scientific Name
Carassius auratus
Sphaeramia nematoptera
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
55 gallons
30 gallons
Temperature
65°F - 75°F
72°F - 78°F
pH Range
7 - 8.4
8.1 - 8.4
Max Size
12 inches
3 inches
Lifespan
10-20 years
5-8 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Comet Goldfish
✓ Good For
- Community tanks
- Beginners
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.