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The blue danio or Kerr's danio (Danio kerri) is a tropical fish belonging to the genus Danio in family Cyprinidae.

Distribution and habitat


Blue danio

The blue danio is found on the islands of Langkawi and Ko Yao Yai in Malaysia.

Description



It is a blue-colored, deep-bodied danio with several pinkish/gold lines from tail to gills which may or may not be continuous, over a powder blue side.

In the aquarium


Blue danio

The blue danio is a peaceful, active schooling fish, so is usually kept in groups. They prefer a well-planted environment, but still need plenty of space to school. Blue danios prefer water with a 6.5 â€" 7.0 pH, a water hardness of 8 â€" 12 dGH, and a temperature range of 73 â€" 77°F (23â€"25°C).

Mating



Blue danios are egg-scatterers that spawn over coarse gravel beds. They will typically spawn at the first light of day. The eggs will hatch in about 36 hours.

Etymology



The taxonomic name honors A.F.G. Kerr, who collected the first specimen on Ko Yao Yai in 1929.

See also


Blue danio
  • List of freshwater aquarium fish species
  • Danios
  • Danionins

References



External links



  • Danio kerri
  • "Danio kerri". Integrated Taxonomic Information System. Retrieved 12 November 2004. 
  • Froese, Rainer, and Daniel Pauly, eds. (2004). Danio kerri in FishBase. April 2004 version.
  • "Turquoise Danio". Drs. Foster & Smith's LiveAquaria.com. Retrieved 15 December 2004. 

Blue danio

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