Could you put goldfish and betta fish together?

Reasons:

* Different Water Parameters: Goldfish and bettas have different water parameter preferences. Goldfish prefer cooler water temperatures (68-72°F) and tolerate higher ammonia levels, while bettas prefer warmer water (78-82°F) and are more sensitive to ammonia.

* Aggression: While bettas are known for their aggressive nature towards other bettas, they can also be aggressive towards other fish, including goldfish. This could lead to fin nipping, injuries, or even death.

* Feeding Habits: Goldfish are omnivores and eat a variety of food, while bettas are carnivores and prefer live food or high-quality betta pellets. This difference in diet can lead to competition for food and nutritional imbalances.

* Size and Activity Levels: Goldfish are typically larger and more active than bettas, which can make the betta feel stressed and overwhelmed.

Alternatives:

* Separate Tanks: It's best to keep goldfish and bettas in separate tanks to ensure their well-being and prevent any conflicts.

* Community Tanks: If you are looking for a community tank, consider keeping goldfish with other compatible species like other goldfish, platys, or other peaceful community fish.

Conclusion:

Putting goldfish and bettas together is not recommended due to their different needs, potential aggression, and feeding habits. Keeping them in separate tanks will provide them with the optimal environment for their health and well-being.