Diptychus
Diptychus is a genus of cyprinid freshwater fish, consisting of two species found in Himalaya and the Tibetan Plateau of China, India, Nepal and Pakistan, ranging west to the Tien Shan Mountains and Central Asia.[1][2] The type species is the scaly osman, Diptychus maculatus. The name is derived from the Greek word di, meaning "two", and the Greek word ptyx, meaning "fold". Diptychus is up to 70 cm (2.3 ft) in total length.[1]
| Diptychus | |
|---|---|
 | |
| Diptychus maculatus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Subfamily: | Barbinae |
| Genus: | Diptychus Steindachner, 1866 |
| Type species | |
| Diptychus maculatus Steindachner, 1866 | |
| Species | |
|
See list | |
Diptychus is a part of the schizothoracines (snowtrout and allies), which also includes the genera Aspiorhynchus, Chuanchia, Gymnodiptychus, Gymnocypris, Oxygymnocypris, Platypharodon, Ptychobarbus, Schizopyge, Schizopygopsis and Schizothorax.[3]
Species
There are two recognized species in this genus:[1]
- Diptychus maculatus Steindachner, 1866 (Scaly osman)
- Diptychus sewerzowi Kessler, 1872
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References
- Froese, Rainer and Pauly, Daniel, eds. (2018). Species of Diptychus in FishBase. May 2018 version.
- Li, G.; Y. Tang; R. Zhang; and K. Zhao (2016). Phylogeography of Diptychus maculatus (Cyprinidae) endemic to the northern margin of the QTP and Tien Shan region. BMC Evolutionary Biology 16(1). doi:10.1186/s12862-016-0756-3
- Qi, D.; Y. Chao; S. Guo; L. Zhao; T. Li; F. Wei; and X. Zhao (2012). Convergent, Parallel and Correlated Evolution of Trophic Morphologies in the Subfamily Schizothoracinae from the Qinghai-Tibetan Plateau. PLoS ONE 7(3): e34070. doi:10.1371/journal.pone.0034070
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