The largemouth shiner (Cyprinella bocagrande) is a critically endangered species of cyprinid fish. It is found only in the Guzmán Basin in northwestern Chihuahua, Mexico, where it is called sardinita bocagrande. In 2012, it only survived in a single spring, which also was the last remaining habitat for the Carbonera pupfish (Cyprinodon fontinalis) and the dwarf crayfish Cambarellus chihuahuae. As this single spring was declining, it was decided to move some individuals of all three species to a nearby refuge in 2014 as a safeguard. The largemouth shiner grows to a standard length of 4.1 cm (1.6 in).
Notropis bocagrande Chernoff & Miller, 1982
- Contreras-Balderas, S. & Almada-Villela, P. (1996). "Cyprinella bocagrande". IUCN Red List of Threatened Species. 1996: e.T6133A12462644. doi:10.2305/IUCN.UK.1996.RLTS.T6133A12462644.en.CS1 maint: uses authors parameter (link)
- Froese, Rainer and Pauly, Daniel, eds. (2015). "Cyprinella bocagrande" in FishBase. August 2015 version.
- Carson, E. W. "Carbonera Pupfish – Creating a Natural Refuge Habitat for the Carbonera Pupfish Cyprinodon fontinalis". Retrieved 7 October 2018.
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