F
Fantail Goldfish
Carassius auratus
VS
J
Jack Dempsey
Rocio octofasciata
Choosing between Fantail Goldfish and Jack Dempsey? 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
Jack Dempsey
Rocio octofasciataCommon Name
Fantail Goldfish
Jack Dempsey
Scientific Name
Carassius auratus
Rocio octofasciata
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
55 gallons
Recommended Tank
30 gallons
75 gallons
Temperature
65°F - 75°F
75°F - 80°F
pH Range
7 - 8.4
6.5 - 8
Max Size
8 inches
15 inches
Lifespan
10-15 years
10-15 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Fantail Goldfish
✓ Good For
- Community tanks
- Beginners
Jack Dempsey
✓ Good For
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