Goldfish are freshwater fish that belong to the family Cyprinidae. Goldfish tanks should be cleaned regularly to maintain a healthy environment for your fish. Can goldfish live with other fish? Some good tankmates for goldfish include other peaceful, cold-water fish such as guppies, neon tetras , avoid overfeeding your fish, and remove any uneaten food or debris from the tank. 10.

Betta fish are beautiful and interesting pets, but they can be quite aggressive towards other fish. It's usually best to keep a Betta fish alone. Still, if you want to keep other fish with your Betta in a 1.5 or 2-feet tank, you need to choose tank Small, peaceful fish: Fish like Neon Tetras or Ember Tetras can sometimes live peacefully with Bettas see them as food.