Danio margaritatus and reproduced quickly. The government of Myanmar banned exports of the fish in February 2007. However, an inquest into the species by Myanmar officials discovered populations of the fish in at least "five locations around Hopong". Currently, the fish is captive-bred worldwide commercially and by hobbyists, pushing the price down from its initial high of $20 or more per fish to around $4 each. The celestial pearl danio is a rather undemanding fish if its basic requirements are being met. It seems quite hardy, but obviously thrives best in fairly soft and slightly alkaline water at not too high a
Danio margaritatus with a markedly blunt snout, measuring just 2–2.5 cm standard length. The body is about three times as long as it is high. In general shape, it resembles "Danio erythromicron" more than any other known species. This species shows some sexual dimorphism: males have a bright-blue background color (dull blue-green in females), and their fins are more brightly colored. The tail end of their bodies (the caudal peduncle) is also higher than in females. The body is sprinkled with small, pearly dots. The back is bronzy green, and the belly in females is yellowish-white. The gill covers are transparent, letting