C
Cardinal Tetra
Paracheirodon axelrodi
VS
M
Melanurus Wrasse
Halichoeres melanurus
Choosing between Cardinal Tetra and Melanurus Wrasse? 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.
Cardinal Tetra
Paracheirodon axelrodiVS
Melanurus Wrasse
Halichoeres melanurusCommon Name
Cardinal Tetra
Melanurus Wrasse
Scientific Name
Paracheirodon axelrodi
Halichoeres melanurus
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
75 gallons
Recommended Tank
30 gallons
100 gallons
Temperature
73°F - 81°F
72°F - 78°F
pH Range
5.5 - 7
8.1 - 8.4
Max Size
2 inches
6 inches
Lifespan
3-5 years
5-7 years
Diet
High-quality flake food, Micro pellets, Frozen or live brine shrimp, Daphnia
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods, Small invertebrates
Cardinal Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Melanurus Wrasse
✓ Good For
- Community tanks
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.