Biology:Nothobranchius furzeri

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Short description: Species of fish

Turquoise killifish
Nothobranchius furzeri GRZ thumb.jpg
Male Nothobranchius furzeri GRZ
(from Gonarezhou National Park)
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Nothobranchiidae
Genus: Nothobranchius
Species:
N. furzeri
Binomial name
Nothobranchius furzeri
R. A. Jubb, 1971

Nothobranchius furzeri, the turquoise killifish, is a species of killifish from the family Nothobranchiidae native to Africa where it is only known from Zimbabwe and Mozambique.[2] This annual killifish inhabits ephemeral pools in semi-arid areas with scarce and erratic precipitations and have adapted to the routine drying of their environment by evolving desiccation-resistant eggs that can remain dormant in the dry mud for one and maybe more years by entering into diapause.[3]

Among vertebrates, the species has the fastest known sexual maturity – only 14 days after hatching.[4][5] Due to very short duration of the rain season, the natural lifespan of these animals is limited to a few months[6][7] and their captive lifespan is likewise short. More specifically, they are able to live 1–5 months in the wild (with most only living up to 2 months[7]) and 3[8] to 16[9] months in captivity depending on the strain and environment. Turquoise killifish are the shortest-lived vertebrate kept in captivity[10] making them an attractive model system for ageing and disease research.[11] Tandem repeats comprise 21% of the species' genome, an abnormally high proportion, which has been suggested as a factor in its fast ageing.[12][13] Their captive diet consists mostly bloodworms and there are current efforts to replace bloodworms by pelleted diets.[14]

This species can reach a total length of 6.5 cm (2.6 in).[2]

The species name is derived from that of the discoverer Richard E. Furzer of Rhodesia.[15]

References

  1. ↑ Nagy, B.; Watters, B. (2019). "Nothobranchius furzeri". IUCN Red List of Threatened Species 2019: e.T63305A99447871. doi:10.2305/IUCN.UK.2019-3.RLTS.T63305A99447871.en. https://www.iucnredlist.org/species/63305/99447871. Retrieved 20 November 2021. 
  2. ↑ 2.0 2.1 Froese, Rainer and Pauly, Daniel, eds. (2014). "Nothobranchius furzeri" in FishBase. February 2014 version.
  3. ↑ Reichard, Martin; Polačik, Matej (2019-01-08). "Nothobranchius furzeri, an 'instant' fish from an ephemeral habitat" (in en). eLife 8: e41548. doi:10.7554/eLife.41548. ISSN 2050-084X. PMID 30616713. 
  4. ↑ Milius, Susan (2018-08-06). "This killifish can go from egg to sex in two weeks" (in en). Science News. https://www.sciencenews.org/article/killifish-can-go-egg-sex-two-weeks. 
  5. ↑ Vrtílek, Milan; Žák, Jakub; Pšenička, Martin; Reichard, Martin (August 2018). "Extremely rapid maturation of a wild African annual fish" (in English). Current Biology 28 (15): R822–R824. doi:10.1016/j.cub.2018.06.031. ISSN 0960-9822. PMID 30086311. 
  6. ↑ Vrtílek, Milan; Žák, Jakub; Polačik, Matej; Blažek, Radim; Reichard, Martin (2018-03-19). "Longitudinal demographic study of wild populations of African annual killifish" (in en). Scientific Reports 8 (1): 4774. doi:10.1038/s41598-018-22878-6. ISSN 2045-2322. PMID 29555942. 
  7. ↑ 7.0 7.1 Žák, Jakub; Vrtílek, Milan; Polačik, Matej; Blažek, Radim; Reichard, Martin (2021). "Short-lived fishes: Annual and multivoltine strategies" (in en). Fish and Fisheries 22 (3): 546–561. doi:10.1111/faf.12535. ISSN 1467-2979. https://onlinelibrary.wiley.com/doi/abs/10.1111/faf.12535. 
  8. ↑ Valdesalici, Stefano; Cellerino, Alessandro (2003-11-07). "Extremely short lifespan in the annual fish Nothobranchius furzeri" (in en). Proceedings of the Royal Society of London. Series B: Biological Sciences 270 (suppl_2): S189-91. doi:10.1098/rsbl.2003.0048. ISSN 0962-8452. PMID 14667379. 
  9. ↑ Žák, Jakub; Reichard, Martin (February 2021). Gaillard, Jean‐Michel. ed. "Reproductive senescence in a short‐lived fish" (in en). Journal of Animal Ecology 90 (2): 492–502. doi:10.1111/1365-2656.13382. ISSN 0021-8790. PMID 33159690. 
  10. ↑ Cellerino, Alessandro; Valenzano, Dario R.; Reichard, Martin (May 2016). "From the bush to the bench: the annual Nothobranchius fishes as a new model system in biology" (in en). Biological Reviews 91 (2): 511–533. doi:10.1111/brv.12183. ISSN 1464-7931. PMID 25923786. 
  11. ↑ Harel, I.; Benayoun, B. R. N. A.; Machado, B.; Singh, P. P.; Hu, C. K.; Pech, M. F.; Valenzano, D. R.; Zhang, E. et al. (2015). "A Platform for Rapid Exploration of Aging and Diseases in a Naturally Short-Lived Vertebrate". Cell 160 (5): 1013–26. doi:10.1016/j.cell.2015.01.038. PMID 25684364. 
  12. ↑ Treangen, T. J.; Salzberg, S. L. (2011). "Repetitive DNA and next-generation sequencing: Computational challenges and solutions". Nature Reviews Genetics 13 (1): 36–46. doi:10.1038/nrg3117. PMID 22124482. 
  13. ↑ Willemsen, David; Cui, Rongfeng; Reichard, Martin; Valenzano, Dario Riccardo (2020-09-01). Kapahi, Pankaj; Tyler, Jessica K; Clark, Nathan. eds. "Intra-species differences in population size shape life history and genome evolution". eLife 9: e55794. doi:10.7554/eLife.55794. ISSN 2050-084X. PMID 32869739. 
  14. ↑ Žák, Jakub; Dyková, Iva; Reichard, Martin (December 2020). "Good performance of turquoise killifish (Nothobranchius furzeri) on pelleted diet as a step towards husbandry standardization" (in en). Scientific Reports 10 (1): 8986. doi:10.1038/s41598-020-65930-0. ISSN 2045-2322. PMID 32488062. 
  15. ↑ "Order CYPRINODONTIFORMES: Families APLOCHEILIDAE and NOTHOBRANCHIIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. 31 May 2019. http://www.etyfish.org/cyprinodontiformes1/. 

External links

Wikidata ☰ Q149300 entry



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