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Cyprinodon is a genus of pupfishes found in waters that range from fresh to hypersaline.The genus is primarily found in Mexico, the Caribbean Islands and southern United States (Arizona, California, Florida, Nevada, New Mexico, Oklahoma and Texas), but C. variegatus occurs as far north as Massachusetts and along the entire Gulf of Mexico coastline, and C. dearborni and C. variegatus are found ...
These pupfish are able to take advantage of different food sources so they can all coexist. One species feeds on only the scales of other pupfish. Another has a modified jaw to be able to eat snails and ostracods. Before the 1990s, Lake Chichancanab, in Mexico, was full of brackish water and another five species of pupfish were found there.
The Devils Hole pupfish (Cyprinodon diabolis) is a critically endangered species of the family Cyprinodontidae (pupfishes) found only in Devils Hole, a water-filled cavern in the US state of Nevada. It was first described as a species in 1930 and is most closely related to C. nevadensis and the Death Valley pupfish ( C. salinus ).
Cyprinodon rubrofluviatilis, known as the Red River pupfish, is a species of pupfish from the United States. It is found only in the Red River of the South and Brazos River drainages of Texas and Oklahoma. [2] It grows to a total length of 5.8 cm (2.3 in) and feeds on midge larvae and other insects. [3]
A school of Death Valley pupfish, seen in Salt Creek in 2019. This species is known from only two locations in Death Valley: Salt Creek (subspecies salinus) at about 49 m (161 ft) below sea level, and Cottonball Marsh (subspecies milleri), at about 80 m (260 ft) below sea level. [1]
The sheepshead minnow (Cyprinodon variegatus), also known as sheepshead pupfish, is a species of ray-finned fish in the family Cyprinodontidae, the pupfishes. It is found in salt marsh and estuary environments and is native to the eastern coasts of North and Central America.
Santa Cruz pupfish (Cyprinodon arcuatus) Villa Lopez pupfish (Cyprinodon ceciliae) Cachorrito de la Trinidad (Cyprinodon inmemoriam) Perritos de sandia (Cyprinodon spp.) Catarina pupfish (Megupsilon aporus) Ash Meadows killifish (Empetrichthys merriami) Whiteline topminnow (Fundulus albolineatus) Amistad gambusia (Gambusia amistadensis)
Cyprinodon nevadensis is a species of pupfish in the genus Cyprinodon. [3] The species is also known as the Amargosa pupfish, [3] but that name may also refer to one subspecies, Cyprinodon nevadensis amargosae. [4] All six subspecies are or were endemic to very isolated locations in the Mojave Desert of California and Nevada.