Betta fish, also known as Siamese fighting fish, are popular aquarium fish known for their vibrant colors and feisty personalities. Here is some basic information about Betta fish care in an aquarium:

Tank size: Betta fish need at least a 5-gallon tank, although a 10-gallon or larger tank is preferred. The tank should be filtered and heated to maintain a stable water temperature between 76-82°F.
Water quality: Bettas require clean water, so it is important to regularly perform water changes. The water should have a pH level between 6.5-7.5 and be free of ammonia, nitrite, and nitrate.
Diet: Bettas are carnivorous and require a high-protein diet. They can be fed a variety of foods, including pellets, flakes, frozen or live foods like bloodworms or brine shrimp.

Tankmates: Bettas are territorial and can be aggressive towards other fish, so it is important to choose tankmates carefully. Suitable tankmates include peaceful fish such as tetras, corydoras catfish, or shrimp.

Enrichment: Bettas are active fish and require stimulation. Providing live or silk plants, hiding spots, and toys such as ping pong balls or mirrors can help keep them mentally and physically engaged.

It is important to research and understand the specific needs of Betta fish before deciding to keep them in an aquarium. Proper care and maintenance will ensure that your Betta fish thrives in their new environment.

Diet: Bettas require a well-balanced diet that is rich in protein because they are primarily carnivores. It is recommended to feed your betta a variety of high-quality pellets, flakes, freeze dried, frozen and live foods. Given that betta fish eat small insects, crustaceans, and other meaty foods in the wild; Frozen foods (such as: bloodworms, daphnia, brine shrimp, tubifex worms, mysis shrimp, cyclops) are one of the best foods you can provide them. Along side this, it is important to provide your betta pellets because they are a combination of the most important nutrients a betta fish needs into a bite-sized package.

Overall, Betta fish are beautiful and fascinating creatures that can thrive in a well-maintained aquarium. With proper care, they can live for several years and provide you with enjoyment and entertainment.