C

Comet Goldfish

Carassius auratus

VS
R

Redtail Catfish

Phractocephalus hemioliopterus

Choosing between Comet Goldfish and Redtail Catfish? 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 auratus
VS

Redtail Catfish

Phractocephalus hemioliopterus
These fish may not be compatible - check temperament and water requirements
Common Name
Comet Goldfish
Redtail Catfish
Scientific Name
Carassius auratus
Phractocephalus hemioliopterus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Advanced
Temperament
Peaceful
Aggressive
Minimum Tank
30 gallons
300 gallons
Recommended Tank
55 gallons
1000 gallons
Temperature
65°F - 75°F
72°F - 79°F
pH Range
7 - 8.4
6 - 7.5
Max Size
12 inches
48 inches
Lifespan
10-20 years
15-20 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Fish, Shrimp, Worms, Pellets, Chicken, Beef

Comet Goldfish

✓ Good For

  • Community tanks
  • Beginners

Redtail Catfish

✓ Good For

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