Brachydanio rerio (Hamilton, 1822)
ZEBRA DANIO
  Fish   Cyprinidae   Brachydanio


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Danio rerio   (Hamilton, 1822)

Zebra danio Upload your photos  and  videos
Pictures | Stamps, Coins | Google image Image of Danio rerio (Zebra danio) Danio rerio
Male picture by Noren, M.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Danioninae
Etymology: Danio: Vernacular name fron India and Sri Lanka .

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19.   Tropical; 18°C - 24°C (Ref. 1672 ); 33°N - 8°N, 66°E - 98°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Pakistan, India, Bangladesh, Nepal and Myanmar (Ref. 41236 ). Reported from Bhutan (Ref. 40882 ). Appearance in Colombian waters presumably by escape from an aquarium fish rearing facility (Ref. 1739 ).

Length at first maturity / Size / Weight / Age

Maturity: L m 2.5   range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 41236 )

Short description Morphology | Morphometrics

Vertebrae : 31 - 32. Five uniformly, pigmented, horizontal stripes on the side of the body, all extending onto the end of caudal fin rays. Anal fin distinctively striped. Lateral line absent. Rostral barbels extend to anterior margin of orbit; maxillary barbels end at about middle of opercle. Branched anal fin rays 10-12. Vertebrae 31-32.

Biology     Glossary (e.g. epibenthic)

Adults inhabit streams, canals, ditches, ponds and beels (Ref. 1479 ). Occur in slow-moving to stagnant standing water bodies, particularly rice-fields (Ref. 4832 ); and lower reaches of streams (Ref. 58912 ). Common in rivulets at foot hills (Ref. 41236 ). Feed on worms and small crustaceans (Ref. 7020 ); also on insect larvae. Breed all year round (Ref. 58913 ). Appears to be primarily an annual species in the wild, the spawning season starting just before the onset of the monsoon (Ref. 72224 ). Domesticated zebrafish live on average 3.5 years, with oldest individuals surviving up to 5.5 years (Ref. 58923 ). Spawning is induced by temperature and commences at the onset of the monsoon season (Ref. 58913 ). Food availability also acts as cue for breeding (Ref. 58913 ). Growth rate is a vital guiding environmental factor for sexual differentiation for this species as observed in a study (Ref. 58948 ). In this same study, frequency and amount of food prior to and throughout gonadal differentiation period resulted in more individuals differentiating to become females and is more pronounced in hybrid than pure bred groups (Ref. 58948 ). Often used for mosquito control (Ref 6351). Popular for aquarium purposes (Ref. 44325 ). Used as a model system (=organism) for developmental biology (Ref. 47810 ). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Breed all year round (Ref. 58931 ). From Johnson (1932), 'a female never extrudes eggs during active courtship until the genital organ comes in contact with that of the male, whereupon a small stream of eggs is ejected' (Ref. 205 ). Violent dashing and chasing characterise courtship finally culminating in eggs being shed a few at a time, settling freely without adhering to the bottom surface (Ref. 205 ).

Main reference Upload your references | References | Coordinator | Collaborators

Talwar, P.K. and A.G. Jhingran , 1991. Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam. 541 p. (Ref. 4832 )

IUCN Red List Status (Ref. 115185 )

  Least Concern (LC)  

CITES (Ref. 94142 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest; aquarium: highly commercial FAO(Publication : search ) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Bio-Quiz | E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank( genome , nucleotide ) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00724 (0.00324 - 0.01618), b=3.07 (2.88 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.1   ±0.1 se; Based on diet studies. Resilience (Ref. 69278 ):  High, minimum population doubling time less than 15 months (tmax=5.5 (in captivity); tm<1; multiple spawning per year; Fec=400-500). Prior r = 0.9, 2 SD range = 0.29 - 2.75, log(r) = -0.11, SD log(r) = 0.56, Based on: 2 K, 3 tgen, 2 Fec records Vulnerability (Ref. 59153 ):  Low vulnerability (11 of 100) .

Entered by Froese, Rainer Modified by Binohlan, Crispina B. Fish Forum
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