C
Common Goldfish
Carassius auratus
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Common Goldfish and Purple 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.
Common Goldfish
Carassius auratusVS
Purple Firefish
Nemateleotris decoraCommon Name
Common Goldfish
Purple Firefish
Scientific Name
Carassius auratus
Nemateleotris decora
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
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
14 inches
3 inches
Lifespan
10-20 years
3-5 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Common Goldfish
✓ Good For
- Community tanks
- Beginners
Purple Firefish
✓ Good For
- Community tanks
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