B

Betta Fish

Betta splendens

VS
G

Goldfish

Carassius auratus

Choosing between Betta Fish and Goldfish? 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.

Betta Fish

Betta splendens
VS

Goldfish

Carassius auratus
These fish may not be compatible - check temperament and water requirements
Common Name
Betta Fish
Goldfish
Scientific Name
Betta splendens
Carassius auratus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
5 gallons
20 gallons
Recommended Tank
10 gallons
30 gallons
Temperature
76°F - 82°F
65°F - 75°F
pH Range
6.5 - 7.5
7 - 8.4
Max Size
3 inches
12 inches
Lifespan
2-5 years
10-15 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods

Betta Fish

✓ Good For

  • Beginners
  • Small tanks

Goldfish

✓ Good For

  • Community tanks
  • Beginners
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