Mexican dace

The Mexican dace (Evarra bustamantei), or Mexican chub, is an extinct species of ray-finned fish in the family Cyprinidae. It was found only in Mexico, in the canals and streams of the Valley of Mexico.[2] It is estimated to have become extinct circa 1983.[3] The extinction of this species coincided with the drying of water bodies in the valley. This drying was a result of the increasing demands placed on the water resources of the valley by agriculture, as well as by the growth of Mexico City and its suburbs.[2]

Evarra bustamantei
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Genus: †Evarra
Species:
†E. bustamantei
Binomial name
†Evarra bustamantei
Navarro, 1955

Sources
  1. Mejía Guerrero, O. (2019). "Evarra bustamantei". IUCN Red List of Threatened Species. 2019: e.T8431A3145702. doi:10.2305/IUCN.UK.2019-2.RLTS.T8431A3145702.en. Retrieved 10 February 2020.
  2. Miller, Robert R; Williams, James D; Williams, Jack E (December 1989). "Extinctions of North American Fishes During the Past Century" (PDF). Fisheries. 14 (6): 22–38. doi:10.1577/1548-8446(1989)014<0022:eonafd>2.0.co;2. hdl:2027.42/141989. Retrieved 16 December 2016.
  3. Burkhead, Noel M (September 2012). "Extinction Rates in North American Freshwater Fishes, 1900–2010" (PDF). BioScience. 62 (9): 798–808. doi:10.1525/bio.2012.62.9.5. Retrieved 15 December 2016.


gollark: Well, it's obvious, the file named fisible is unknown and something something unk random number equals other random number.
gollark: Also, laws are often about complicated issues which people have no idea about. Now, frequently the politicians will have no idea about them too, but in general having dedicated people able to take lots of time to learn about the issue is better than random people with lots of other stuff to do. Although it has other downsides.
gollark: I don't think I agree, having direct input would expose it to the whims of whatever random controversy has happened *more*.
gollark: And "oh bees [BAD THING] happened so now we must immediately respond to it in some stupid way".
gollark: If you make law really easy to add to, you'll run into problems like "oh bees there are several million pages of law nobody has read".
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