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 annulosus species of the Danio identified. Just like all the chain danios "Danio annulosus" has chain like pattern instead of the striped patterns of zebra danios. As all the chain danios, Danio annulosus has the same color pattern containing a series of dark rings with light color space beside it, a complete lateral line, 14 circumpendular scales, have the first ray in the pectoral fin and a black humeral spot. "Danio annulosus" is different from the rest of the Puntius species by many features such as a much shorter pecotal and pelvic fins, the humeral spot is a bit wider and