F
Fantail Goldfish
Carassius auratus
VS
H
Helfrichi Firefish
Nemateleotris helfrichi
Choosing between Fantail Goldfish and Helfrichi Firefish? 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.
Fantail Goldfish
Carassius auratusVS
Helfrichi Firefish
Nemateleotris helfrichiCommon Name
Fantail Goldfish
Helfrichi Firefish
Scientific Name
Carassius auratus
Nemateleotris helfrichi
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
65°F - 75°F
72°F - 78°F
pH Range
7 - 8.4
8.1 - 8.4
Max Size
8 inches
2.5 inches
Lifespan
10-15 years
3-5 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Fantail Goldfish
✓ Good For
- Community tanks
- Beginners
Helfrichi Firefish
✓ Good For
- Community tanks
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