J

Jack Dempsey

Rocio octofasciata

VS
S

Swordtail

Xiphophorus hellerii

Choosing between Jack Dempsey and Swordtail? 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.

Jack Dempsey

Rocio octofasciata
VS

Swordtail

Xiphophorus hellerii
These fish may not be compatible - check temperament and water requirements
Common Name
Jack Dempsey
Swordtail
Scientific Name
Rocio octofasciata
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
15 gallons
Recommended Tank
75 gallons
29 gallons
Temperature
75°F - 80°F
72°F - 82°F
pH Range
6.5 - 8
7 - 8.4
Max Size
15 inches
5.5 inches
Lifespan
10-15 years
3-5 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia

Jack Dempsey

✓ Good For

Swordtail

✓ Good For

  • Community tanks
  • Beginners
Explore More

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