Global InformationCyprinodon julimes information
| Cyprinodon julimes | |
|---|---|
| |
| Male in the aquarium | |
Conservation status
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 Critically Endangered (IUCN 3.1)[1] | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Cyprinodontidae |
| Genus: | Cyprinodon |
| Species: | C. julimes
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| Binomial name | |
| Cyprinodon julimes De la Maza-Benignos & Vela-Valladares, 2009
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The Julimes pupfish (Cyprinodon julimes) (Spanish: Cachorrito de Julimes) is a species of killifish in the family Cyprinodontidae. This pupfish is endemic to El Pandeño, a hot spring in Julimes, Chihuahua, Mexico, and it is adapted to life in water that reaches temperatures as high as 46 °C (114 °F).[2] Consequently, it has been referred to as the "hottest fish in the world",[3] although the closely related Cyprinodon pachycephalus can occur in somewhat warmer waters.[4] Cyprinodon julimes was scientifically described in 2009 as similar to Cyprinodon eximius, but it has a bigger head, nearly one-third of its standard length.
- ^ de la Maza-Benignos, M. (2019). "Cyprinodon julimes". IUCN Red List of Threatened Species. 2019: e.T82958891A82962231. doi:10.2305/IUCN.UK.2019-3.RLTS.T82958891A82962231.en. Retrieved 20 November 2021.
- ^ "A Transformative Partnership to Conserve Water. Annual Review 2011" (PDF). The Coca-Cola Company. 2011. pp. 6–7. Archived from the original (PDF) on 2013-11-01. Retrieved 2013-10-31.
- ^ Fleming, D. 2012. Mexico Day 5: An encounter with the world’s hottest fish. WWF-UK. http://blogs.wwf.org.uk/blog/climate-energy/mexico-day-5-an-encounter-with-the-worlds-hottest-fish/
- ^ Maiz-Tome, L. (2019). "Cyprinodon pachycephalus". IUCN Red List of Threatened Species. 2019: e.T6162A3106242. doi:10.2305/IUCN.UK.2019-2.RLTS.T6162A3106242.en. Retrieved 17 October 2022.