Betta fish, also known as Siamese fighting fish, are vibrant and captivating freshwater fish popular in home aquariums. Native to Southeast Asia, they are known for their bright colors and flowing fins. Male bettas are especially eye-catching but can be aggressive toward each other, so they are often kept alone. Bettas thrive in warm water and require a clean tank with proper filtration. They are hardy and can breathe air from the surface due to their labyrinth organ. With the right care, bettas can live up to five years. Their beauty and bold personalities make them beloved aquarium pets worldwide.