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Schizopygopsis extrema

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(Redirected from Platypharodon) Species of fish

Schizopygopsis extrema
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Genus: Schizopygopsis
Species: S. extrema
Binomial name
Schizopygopsis extrema
(Herzenstein, 1891)
Synonyms
  • Platypharodon extremus Herzenstein, 1891

Schizopygopsis extrema is a species of freshwater ray-finned fish belonging to the family Cyprinidae, the family which also includes the carps, barbs, minnowns and related fishes. This species is endemic to the upper Yellow River basin in the Qinghai–Tibet Plateau of China. It has been classified in the monospecific genus Platypharodon, however, Eschmeyer's Catalog of Fishes classifies this species within the genus Schizopygopsis in the subfamily Schizopygopsinae,

Schizopygopsis extrema reaches up to 60 cm (2 ft) in length and 2.5 kg (5.5 lb) in weight. Similar to Schizopygopsis, P. extremus has a horny sheath on the lower jaw and spoon-shaped teeth that it uses to scrape off periphyton and algae from stones, but it will also eat benthic invertebrates.

An important food fish, Schizopygopsis extrema has seriously declined and is now listed as vulnerable on China's Red List. The species has been bred and raised in captivity, and individuals are released back into the wild from two purposely built stations in an attempt of countering its threatened status.

References

  1. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Schizopygopsis". Catalog of Fishes. California Academy of Sciences. Retrieved 1 January 2025.
  2. ^ Zhang, Y.P.; Z.Y. Lou; J.H. Su; W.L. Jiai; T. Wang; X.F. Gong; S.H. Qi; J.P. Wu; and Y.M. Wei (2010–2011). Artificial propagation of Platypharodon extremus. Journal of Fisheries of China.
  3. Su, J.; W. Ji; Y. Zhang; D.M. Gleeson; Z. Lou; J. Ren; and Y. Wei (2015). Genetic diversity and demographic history of the endangered and endemic fish (Platypharodon extremus): implications for stock enhancement in Qinghai Tibetan Plateau. Environ Biol Fish 98(3): 763–774. doi:10.1007/s10641-014-0310-3
  4. ^ Tang, Y.; C. Li; K. Wanghe; C. Feng; C. Tong; F. Tian; and K. Zhao (2019). Convergent evolution misled taxonomy in schizothoracine fishes (Cypriniformes: Cyprinidae). Molecular Phylogenetics and Evolution 134: 323–337 doi:10.1016/j.ympev.2019.01.008
  5. Qi, D.; Y. Chao; Y. Zhao; M. Xia; and R. Wu (2018). Molecular evolution of myoglobin in the Tibetan Plateau endemic schizothoracine fish (Cyprinidae, Teleostei) and tissue-specific expression changes under hypoxia. Fish Physiology and Biochemistry 44(2): 557–571. doi:10.1007/s10695-017-0453-1.
  6. Froese, Rainer; Pauly, Daniel (eds.). "Platypharodon extremus". FishBase. May 2019 version.
  7. ^ Qi, D. (2016). Fish of the Upper Yellow River. Pp. 233–252 in: G.J. Brierley et al. (eds.). Landscape and Ecosystem Diversity, Dynamics and Management in the Yellow River Source Zone. Springer Geography. doi:10.1007/978-3-319-30475-5_11
  8. Walker, K.F.; and H.Z. Yang (1999). Fish and Fisheries if China. Food and Agriculture Organization. Retrieved 10 May 2019.
Taxon identifiers
Platypharodon extremus
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