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The splittails are a genus Pogonichthys of cyprinid fish, consisting of two species native to western North America.

Pogonichthys
Sacramento splittail (Pogonichthys macrolepidotus)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cypriniformes
Family:	Cyprinidae
Subfamily:	Leuciscinae
Genus:	Pogonichthys Girard, 1854
Type species
Pogonichthys inaequilobus Baird & Girard, 1854
Synonyms
Symmetrurus Jordan, 1878

The common name is inspired by the distinctive appearance of the tail fin, in which the upper lobe is distinctly larger.

Of the two species, only the Sacramento splittail survives; the Clear Lake splittail became extinct in the mid-1970s.

Species

• †Pogonichthys ciscoides Hopkirk, 1974 (Clear Lake splittail)
• Pogonichthys macrolepidotus (Ayres, 1854) (Sacramento splittail)

References

• Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Pogonichthys in FishBase. August 2011 version.

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