Paradise fish (Macropodus opercularis), also known as apricot or blue paradise gouramis, are freshwater fish renowned for their striking appearance and adaptability. They are vibrant, hardy, and relatively easy to care for, making them a popular choice for community tanks, according to LiveFish. These fish are part of the labyrinth fish family and possess a special organ that allows them to breathe air, making them suitable for various water conditions, says Micro Aquatic Shop.