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Organism (ORGA)
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published: 11 Jun 2008 last updated: 14 Nov 2025
Organism information
Danio rerio
Kingdom Animalia
Phylum Chordata
Class Actinopteri
Order Cypriniformes
Suborder Cyprinoidei
Subfamily Danionidae
Genus Danio
Species Danio rerio
  • Zebrafish
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  • Leopard danio
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  • Zebra danio
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Fish
Domesticated
Characteristics related to biosafety
Danio rerio 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.
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The zebrafish commonly inhabits relatively still water such as streams, canals, ditches, ponds, and slow-moving or stagnant water bodies, including rice fields
They thrive in tropical and subtropical climates (currents, 0 m–sec to 0.1m–sec) at 27°C to 34°C, but can tolerate a lower temperature of 20°C, and pH 7.9–8.2. Widths of water bodies ranged from 1 to 12 m with canopy cover from 0% to 50% and depths ranged from 16 to 57 cm; water was relatively clear, over substrates of clay, silt, cobble, or boulders.
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  • Ornamental
  • Research
Additional Information
  • 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. Zebrafish behaviors include shoaling, foraging, reproduction, sensory perception and learning. For these and other reasons it has gradually acquired the prestigious rank of Model Organism;
  • A complete mitochondrial genome of D. rerio has been reported to be 16,596 bp in length;
  • The zebrafish shares 70% genetic homology with humans;
  • Restriction-Associated DNA sequencing was performed in order to identify single nucleotide polymorphisms.
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Records referencing this document Show in search
Record type Field Record(s)
Genetic element Donor organism (scientific name) 2
Living Modified Organism Recipient Organism or Parental Organisms 3