C

Costello Tetra

Hemigrammus hyanuary

VS
S

Swordtail

Xiphophorus hellerii

Choosing between Costello Tetra 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.

Costello Tetra

Hemigrammus hyanuary
VS

Swordtail

Xiphophorus hellerii
These fish can typically coexist peacefully
Common Name
Costello Tetra
Swordtail
Scientific Name
Hemigrammus hyanuary
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
15 gallons
Recommended Tank
20 gallons
29 gallons
Temperature
72°F - 79°F
72°F - 82°F
pH Range
5.5 - 7
7 - 8.4
Max Size
2 inches
5.5 inches
Lifespan
3-5 years
3-5 years
Diet
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia

Costello Tetra

✓ Good For

  • Community tanks
  • Beginners
  • Small tanks
  • Schooling displays

Swordtail

✓ Good For

  • Community tanks
  • Beginners
Explore More

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