Danio tinwini
Danio tinwini naturally inhabit the basin of the Irrawaddy River, which flows in Southeast Asia in Burma. The greatest concentration of these fish is observed in small channels and streams flowing into the river. For the first time in the aquariums of amateurs, these fish appeared in 2003 and since then have become popular among them. Due to the simplicity of keeping these fish can be recommended to novice aquarists.
Danio tinwini has an elongated golden body with a pattern of dark dots, strongly resembling the coloration of a leopard. The belly is light gray with a silvery sheen. The fins are translucent with dark mottling. Sexual characteristics are weakly expressed. The maximum size of fish is 3 cm.
Danio tinwini peaceful fish, which almost no one will not cause discomfort. Keep these fish can be in a common aquarium with almost any small size peaceful fish. Danio fish gregarious, so keep them preferably a group of at least 8 individuals. If you keep the fish alone or in pairs, they become excessively fearful and in addition to this life expectancy is significantly reduced.
To keep a flock of danio tinvini is quite enough aquarium volume of 40 liters. aquarium should be densely planted with plants, including floating on the surface of the water. at the bottom can be placed snags, large stones and grottoes.
Water parameters are as follows: temperature 18-26°C, hardness dH 1-5°, acidity pH 6.5-7.5. High-quality filtration and strong aeration of water are necessary. Due to the fact that Danio tinwini in nature live on a small current, it is desirable to create a small water current in the aquarium, for example, directing the water filter outlet nozzle along one of the long walls of the aquarium. Necessary weekly replacement of 1/3 of the aquarium water fresh.
As a substrate can be used dark gravel or coarse river sand of dark varieties.
Lighting should be diffuse, with an intensity of about 0.3 W/l. The duration of the daylight hours 9-10 hours a day. It should be noted that with bright lighting, the coloration of the body of the fish becomes faded and loses its attractiveness.
To their menu fish do not make special requirements and eat almost any food. Fish are fed small moths in live and frozen form, artemia, daphnia and a variety of dry food in the form of pellets and flakes. Feed the fish should be at least 2 times a day.
Reproduction
Its sexual maturity Danio tinwini reaches the age of 5-6 months.
In general, to achieve spawning of these fish in the aquarium is quite simple. Fish spawn almost all year round in the aquarium in which they live permanently. Females chaotically tag eggs among the thickets of plants. Producers do not show any concern for their future offspring and if you do not take any measures to preserve the eggs, it will certainly be eaten by them. In this regard, it is desirable to spawn producers transferred to the spawning aquarium with a volume of about 10-20 liters, at the bottom of which you need to place a separator mesh.
The eggs are incubated for 24-36 hours, and after 2 days the fry begin to swim and eat. Fry are fed artemia and dry food designed for fry.
Life expectancy of Danio tinwini in aquarium conditions is 3-4 years.
