C
Comet Goldfish
Carassius auratus
VS
C
Costello Tetra
Hemigrammus hyanuary
Choosing between Comet Goldfish and Costello 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.
Comet Goldfish
Carassius auratusVS
Costello Tetra
Hemigrammus hyanuaryCommon Name
Comet Goldfish
Costello Tetra
Scientific Name
Carassius auratus
Hemigrammus hyanuary
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
55 gallons
20 gallons
Temperature
65°F - 75°F
72°F - 79°F
pH Range
7 - 8.4
5.5 - 7
Max Size
12 inches
2 inches
Lifespan
10-20 years
3-5 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
Comet Goldfish
✓ Good For
- Community tanks
- Beginners
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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