Leiocassis

Leiocassis is a genus of bagrid catfishes found mostly in Southeast Asia with some species occurring in China.

Leiocassis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Bagridae
Genus: Leiocassis
Bleeker, 1857
Type species
Bagrus micropogon
Bleeker, 1852
Synonyms
  • Liocassis
    Günther, 1864
  • Rhinobagrus
    Bleeker, 1865
  • Nasocassis
    Nichols, 1925
  • Dermocassis
    Nichols, 1925

This genus has a confused taxonomy and there is uncertainty surrounding the number of valid species.[1] Certain East Asian bagrids formerly placed in this genus have been moved to Pseudobagrus.[1] In 2006, Heok Hee Ng considered the genus Leiocassis to be restricted to Sundaic Southeast Asia and Borneo and only a handful of species as valid (L. aculeatus, L. collinus, L. hosii, L. micropogon, L. poecilopterus, and L. tenebricus).[1]

The members of Leiocassis have an elongate narrow head and a prominently protruding snout.[1]

Species

There are currently 13 recognized species in this genus:[2]

  • Leiocassis aculeatus H. H. Ng & Hadiaty, 2005[3]
  • Leiocassis bekantan H. H. Ng & H. H. Tan, 2018[4]
  • Leiocassis brevirostris V. H. Nguyễn, 2005
  • Leiocassis collinus H. H. Ng & K. K. P. Lim, 2006[1]
  • Leiocassis crassirostris Regan, 1913
  • Leiocassis doriae Regan, 1913
  • Leiocassis hosii Regan, 1906[1]
  • Leiocassis longibarbus G. H. Cui, 1990
  • Leiocassis longirostris Günther, 1864 (Chinese longsnout catfish)
  • Leiocassis micropogon (Bleeker, 1852)
  • Leiocassis nitidus (Sauvage & Dabryi, 1874)
  • Leiocassis poecilopterus (Valenciennes, 1840)
  • Leiocassis saravacensis Boulenger, 1894
  • Leiocassis tenebricus H. H. Ng & K. K. P. Lim, 2006[1]
  • Leiocassis yeni V. H. Nguyễn & H. D. Nguyễn, 2005

References
  1. Ng, Heok Hee; Lim, Kelvin K. P. (June 2006). "Two new species of Leiocassis (Teleostei: Bagridae), riverine catfishes from northeast Borneo". Ichthyol. Explor. Freshwaters. 17 (2): 165–172.
  2. Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Leiocassis in FishBase. December 2011 version.
  3. Ng, Heok Hee; Hadiaty, Renny K. (March 2005). "Two new bagrid catfishes (Teleostei: Bagridae) from the Alas River drainage, northern Sumatra". Ichthyol. Explor. Freshwaters. 16 (1): 83–92.
  4. Ng, Heok Hee; Tan, Heok Hui. (October 2018). "Leiocassis bekantan (Teleostei: Bagridae), a new blackwater catfish from Borneo and Sumatra". Ichthyol. Explor. Freshwaters. 28 (4): 327–336.


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