Can you put a male betta fish in the same bowl or tank as goldfish?

No, it is not recommended to put a male betta fish in the same bowl or tank as goldfish. Here's why:

* Temperature Preferences: Betta fish prefer warmer water (78-82°F) than goldfish (68-72°F). Keeping them together at a comfortable temperature for one species will be uncomfortable for the other.

* Aggression: Goldfish are known for their active, nipping behavior, which can be harmful to the delicate fins of a betta. Bettas can also be aggressive, especially towards other male bettas, and may attack the goldfish.

* Water Conditions: Bettas prefer a different water environment than goldfish. Goldfish produce more waste and require more frequent water changes.

* Diet: Bettas are carnivores, while goldfish are omnivores.

In summary, putting a male betta fish with goldfish is likely to lead to stress, injury, and even death for one or both fish. It's best to keep them in separate tanks with appropriate water conditions and diets.