You should provide some hiding spots and vegetation around the sides of the aquarium. However, 75cm would be better, and the larger species should be kept in no less than 90cm long aquariums.Īs with most fish, the environment they are kept in should 'be similar to their natural habitat to encourage biological activity and behaviour. The smaller species, such as Leopard Danios, Zebra Danios and Glowlight Danios, can be kept in 60cm long aquariums. In the aquariumĭanios need plenty of swimming space, so they are best kept in reasonably sized aquariums, although they are not large fish. They spend their days foraging for food and swimming against any available water flow, and at night, they rest in the open vegetation. Danios are schooling fish that develop social hierarchies, and the most dominant individuals have passage to the best food and breeding territories.īecause of this natural behaviour, you must keep the fish in groups of at least six individuals for the smaller Danios species and four or five for the larger Danios. They can also occupy edged areas with rocky substrates and overhanging branched cover.ĭanios are peaceful, non-aggressive fish and are always on the go and will continually dash around the aquarium interacting with one another therefore, they should be kept with other active fish. Their habitats consist of a silty bottomed substrate that has an abundance of lush green vegetation. Some of the various ecosystems they inhabit include rivers, streams, ponds, canals and ditches, rice paddies, pools and floodplains. A majority prefer slow-moving or stagnant water over faster-flowing currents. Individual species in this group have slightly different preferences however, all live in freshwater habitats. Some Danios have two pairs of long barbels.ĭanios can be found throughout South Asia and Southeast Asia ranging from India and Bangladesh to Bhutan, Nepal, Burma, Sumatra, Malaysia and Thailand. You can usually identify these fish by their pattern they typically have either rows of spots, vertical bars or horizontal stripes. Several long-finned versions and colour variations have been produced through selective breeding. Danios are incredibly active, to the point of coming across as boisterous however, they hardly ever cause injuries to other fish. A couple of species, such as the Dangila and Giant Danios, can reach up to 13 cm in length. Most Danio species grow to no more than 5 cm in size and are usually surface orientated. There are currently 27 known species in this genus.ĭanios are somewhat famous in the aquarium hobby mainly because they are peaceful, extraordinarily hardy and can tolerate a broad range of water conditions and temperatures, making them excellent fish for beginners and newly set up aquariums. Danios are a genus of small freshwater fish in the family Cyprinidae.
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