Some common names for betta fish include Siamese fighting fish, betta splendens, fighter fish, and simply bettas.

Betta fish can live up to 3-5 years with proper care.

Betta fish can grow up to 3 inches in length on the body. Maximum of 10 inches with fins.

Betta fish do not necessarily need a filter, but it is recommended to keep their water clean and healthy.

Betta fish can survive in a bowl without a filter, but it is not an ideal environment for their health and well-being. Betta fish must require atleast 5 gallons of water to be healthy and happy.

Betta fish do need a heater to maintain a consistent water temperature.

Betta fish prefer a temperature range between 76-82°F (24-28°C).

Betta fish eat a variety of foods, including pellets, flakes, and live or frozen foods like brine shrimp or bloodworms. for more detail checkout food guides

Betta fish can eat other smaller fish, but it is not recommended to house them with other species.

Betta fish should not be kept together in the same tank, as they will fight each other to the death. It’s possible as long as your tank size is big and betta fish can own his personal territory. 

The water in a betta fish’s tank should be changed 25-50% weekly, depending on the size of the tank and the number of fish.

Betta fish prefer slightly acidic water with a pH between 6.5-7.5.

Betta fish can live in tap water, but it should be conditioned with a water conditioner to remove harmful chemicals like chlorine and chloramine.

Betta fish tanks should be spacious, have a lid to prevent jumping, and provide hiding spots and places to swim.

Decorations in a betta fish tank can include live or silk plants, caves, and hiding spots.