Betta Fish vs Swordtail
Side-by-side care comparison to help you choose.
| Betta Fish | Swordtail | |
|---|---|---|
| Difficulty | Beginner | Beginner |
| Adult size | 2.5-3 inches | 4-5 inches |
| Lifespan | 3-5 years | 3-5 years |
| Min tank size | 5 gallons | 20 gallons |
| Water temp | 76-82°F | 72-82°F |
| pH | 6.5-7.5 | 7.0-8.0 |
| Temperament | Semi-aggressive; males aggressive to each other, can be kept with docile tank mates | peaceful |
| Tank mates | Small peaceful fish like neon tetras, corydoras, and snails | Peaceful community fish like mollies, platies, tetras, corydoras. |
| Diet | Carnivorous; feed high-quality betta pellets or flakes once or twice daily, supplemented with frozen or live foods like bloodworms or brine shrimp. | Omnivore; feed high-quality flake or pellet daily, supplement with frozen or live foods like brine shrimp and daphnia 2-3 times per week. |