Cardinal Tetra vs Goldfish
Side-by-side care comparison to help you choose.
| Cardinal Tetra | Goldfish | |
|---|---|---|
| Difficulty | Intermediate | Intermediate |
| Adult size | 1.5-2 inches | 6-12 inches (depending on type) |
| Lifespan | 3-5 years | 10-15 years |
| Min tank size | 10 gallons | 20-40 gallons |
| Water temp | 74-80F | 65-75 F |
| pH | 6.0-7.0 | 6.5-7.5 |
| Temperament | peaceful | Peaceful |
| Tank mates | Other peaceful community fish such as small rasboras, tetras, and dwarf cichlids. | Other goldfish; avoid fin nippers and small fish that fit in mouth. |
| Diet | High-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily. | High-quality sinking pellets or gel food, supplemented with blanched vegetables (peas, zucchini) and occasional bloodworms. Feed 2-3 times daily in small amounts. |