Anabantoidei is a suborder of fish known for their unique ability to breathe air. This group includes popular aquarium species like Betta and Gourami. They possess a specialized organ called the labyrinth organ, which allows them to extract oxygen from the air, making them well-suited for environments with low oxygen levels. These fish are typically found in freshwater habitats across Africa and Asia. Anabantoidei species are known for their vibrant colors and interesting behaviors, such as bubble nesting in some species. Their adaptability and striking appearance make them favorites among fish enthusiasts and hobbyists.