The giant danio is a quick, peaceful, ever-moving fish. It is the largest of the danios, and is an asset to any collection. It is related to the well-liked zebra fish (Brachydanio rerio), and its habits are comparable.
The iridescent blue reflects a pale green as the fish swiftly changes direction. Front lighting shows its colours to their greatest benefit, but it is inconvenient to arrange
.
It is well to keep in mind when putting this fish into a community tank that it is likely to devour any very small fish, but this is, needless to say, liable to happen with any species if there is a big distinction in size.
Sexing is challenging. The very best technique would be to put six to a dozen in a tank (with other fish if accommodation is limited), and choose the females when they turn out to be noticeably filled with spawn. They can then be separated and put into various tanks until needed for breeding. Usually the golden yellow bars and vertical lines are much more broken on the female than the male. The lower jaw of the female doesn’t protrude as a lot as that of the male. But this technique of sexing isn’t dependable. The giant danio isn’t usually simple to breed, as the eggs are adhesive and require lots of plants in which to fall, but apart from this breeding follows the standard description. The number of eggs per spawning varies between 100 and 300, and they hatch within forty to sixty hours.