Giant danio in spawning chase females and ram into their abdomens with their heads. Giant danios are native to the Indian subcontinent and most of Indochina. Their range runs from Pakistan to Cambodia. Giant danios are important in the aquarium trade. About 85% of Indian exports of giant danios are wild caught. Giant danio The giant danio ("Devario aequipinnatus") is a tropical fish belonging to the minnow family Cyprinidae. Originating in Sri Lanka, Nepal, and the west coast of India, this species grows to a maximum length of 4 inches (10 cm), making it one of the largest of the danionins. It
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