One of the most favorite foods for fishes, especially aquarium fishes is Tubifex. Now this item is available commercially in Bangladesh, in both fresh (living) and frozen forms. In some aquarium shops in Khulna city, living Tubifex is available for
Keeping ornamental fishes in aquarium is now become a common practice, especially in urban areas. But in Bangladesh, this practice is still not much popular to the people of all categories, and still confined between rich and upper-medium class people.