Betta Fish vs Guppy
Side-by-side care comparison to help you choose.
| Betta Fish | Guppy | |
|---|---|---|
| Difficulty | Beginner | Beginner |
| Adult size | 2.5-3 inches | 1.5-2.5 inches |
| Lifespan | 3-5 years | 2-3 years |
| Min tank size | 5 gallons | 10 gallons |
| Water temp | 76-82°F | 74-82°F |
| pH | 6.5-7.5 | 6.8-7.8 |
| 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 | Other peaceful community fish like tetras, rasboras, corydoras, mollies, and platies. |
| Diet | Carnivorous; feed high-quality betta pellets or flakes once or twice daily, supplemented with frozen or live foods like bloodworms or brine shrimp. | Omnivorous; feed high-quality flake food daily, supplemented with live or frozen foods like brine shrimp or daphnia 2-3 times per week. |