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published: 11 Jun 2008 last updated: 14 Jun 2012
- Cyprinus rerio
- Brachydanio rerio
- Danio frankei
The zebrafish is native to the streams of the southeastern Himalayan region, and is found in parts of India, Pakistan, Bangladesh, Nepal, and Burma. The species arose in the Ganges region in eastern India, and commonly inhabits streams, canals, ditches, ponds, and slow-moving or stagnant water bodies, including rice fields.EN
Relatively still water (currents, 0 m–sec to 0.1m–sec) at 27°C to 34°C and pH 7.9–8.2; widths of water bodies ranged from 1 to 12 m, and depths ranged from 16 to 57 cm; water was relatively clear (transparent to _35 cm), over substrates of clay, silt, cobble, or boulders. Canopy cover from 0% to 50%.EN
In the past decade or so the zebrafish, Danio rerio, has become a vertebrate of choice in developmental biology laboratories. It is easy to keep, has a short generation time, breeds readily, and produces conveniently transparent embryos; for these and other reasons it has gradually acquired the prestigious rank of Model Organism.EN