Cardinal Tetra vs Swordtail
Side-by-side care comparison to help you choose.
| Cardinal Tetra | Swordtail | |
|---|---|---|
| Difficulty | Intermediate | Beginner |
| Adult size | 1.5-2 inches | 4-5 inches |
| Lifespan | 3-5 years | 3-5 years |
| Min tank size | 10 gallons | 20 gallons |
| Water temp | 74-80F | 72-82°F |
| pH | 6.0-7.0 | 7.0-8.0 |
| Temperament | peaceful | peaceful |
| Tank mates | Other peaceful community fish such as small rasboras, tetras, and dwarf cichlids. | Peaceful community fish like mollies, platies, tetras, corydoras. |
| Diet | High-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily. | Omnivore; feed high-quality flake or pellet daily, supplement with frozen or live foods like brine shrimp and daphnia 2-3 times per week. |