Algansea
| Algansea | |
|---|---|
| |
| Algansea popoche | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Clade: | Pogonichthyinae |
| Genus: | Algansea Girard, 1856 |
| Type species | |
| Leuciscus tincella Valenciennes, 1844
| |
| Species | |
|
See text | |
| Synonyms | |
| |
Algansea is a genus of ray-finned fish in the family Leuciscidae, distributed in the Lerma–Chapala–Grande de Santiago, Pátzcuaro, Armería, Ameca, Ayutla and Tuxpan basins in west-central Mexico (mostly Jalisco, but also surrounding states and the State of Mexico).[1][2][3][4] The genus includes both species that are locally numerous,[5] and species that are highly threatened.[2][4] Their closest relative is the longfin dace (Agosia chrysogaster).[3]
Algansea are fairly small fish that typically are between 5 and 15 cm (2–6 in) in standard length, although A. lacustris and A. popoche can reach up to 23–26 cm (9–10 in).[2][4] The different species are generally quite similar in their appearance, being yellowish- or olive-brown overall; darker on the upperparts and paler, more silvery on the underparts. They have a long blackish line along the side of the body from the gill covers to the tail base, or a blackish spot at the base of the tail.[2][4]
Species
There are currently eight recognized species in this genus:[1]
- Algansea amecae Pérez-Rodríguez, Pérez-Ponce de León, Domínguez-Domínguez & Doadrio, 2009 (Ameca chub)
- Algansea aphanea C. D. Barbour & R. R. Miller, 1978 (riffle chub)
- Algansea avia C. D. Barbour & R. R. Miller, 1978 (remote chub)
- Algansea barbata Álvarez & Cortés, 1964 (Lerma chub)
- Algansea lacustris Steindachner, 1895 (Pátzcuaro chub)
- Algansea monticola C. D. Barbour & Contreras-Balderas, 1968 (mountain chub)
- Algansea popoche (D. S. Jordan & Snyder, 1899) (popoche chub)
- Algansea tincella (Valenciennes, 1844) (spottail chub)
References
- ^ a b Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Algansea in FishBase. September 2018 version.
- ^ a b c d Pérez-Rodríguez, R.; G. Pérez-Ponce de León; O. Domínguez-Domínguez; I. Doadrio (2009). "A new species of Algansea (Actinopterygii: Cyprinidae) from the Ameca River basin, in Central Mexico". Revista Mexicana de Biodiversidad. 80: 483–490. doi:10.22201/ib.20078706e.2009.002.609.
- ^ a b Pérez-Rodríguez, R.; O. Domínguez-Domínguez; G. Pérez-Ponce de León; I. Doadrio (2009). "Phylogenetic relationships and biogeography of the genus Algansea Girard (Cypriniformes: Cyprinidae) of central Mexico inferred from molecular data". BMC Evolutionary Biology. 9 (1): 223. Bibcode:2009BMCEE...9..223P. doi:10.1186/1471-2148-9-223. PMC 2759940. PMID 19735558.
- ^ a b c d Ceballos, G.; E.D. Pardo; L.M. Estévez; H.E. Pérez, eds. (2016). Los peces dulceacuícolas de México en peligro de extinción. Fondo de Cultura Económic. pp. 106–113, 429. ISBN 978-607-16-4087-1.
- ^ "Lake Cajititlan: Fish die off in large numbers". BBC. 18 August 2015. Retrieved 20 September 2018.
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