Glyptothorax kurdistanicus

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Glyptothorax kurdistanicus

Data Deficient  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Sisoridae
Genus: Glyptothorax
Species:
G. kurdistanicus
Binomial name
Glyptothorax kurdistanicus
(Berg, 1931)
Synonyms
  • Glyptosternum kurdistanicum Berg, 1931

Glyptothorax kurdistanicus is a species of sisorid catfish. It is known by several common names, including Mesopotamian sucker catfish, Kordestan catfish and Iran cat. This grey or brown fish with black spots is best known from the Little Zab in Iran and Iraq. It is poorly studied; the full extent of its range is not known and the taxonomic relationships between members of its genus are uncertain.

Description

Glyptothorax kurdistanicus is a grey-to-brown catfish with round black spots on its sides, and a black central band to its fins. Like the other species in

thoracic adhesive apparatus or 'sucker' that allows it to attach itself to rocks or other objects in the stream bed.[2] Adult specimens can reach 27 centimetres (11 in) in length.[2][3]

Taxonomy and phylogeny

Zoological Institute in Saint Petersburg.[2]

The specific epithet is derived from the Kurdistan region.[3] Common names for G. kurdistanicus include "Kordestan catfish",[2] "Mesopotamian sucker catfish",[1] and "Iran cat".[2]

Related species

Several other species of Glyptothorax have been named from the

tubercles on its head and body.[2] Two other species have also been described from Iraqi waters, G. cous and G. steindachneri.[5] The distinctions between the species are often unclear,[5] and the International Union for Conservation of Nature (IUCN) considers the taxonomy of Glyptothorax in the Tigris-Euphrates to be "completely unresolved".[1]

Distribution, habitat, and ecology

Glyptothorax kurdistanicus is best known from the

endemic to it.[6] Some surveys have reported its presence in other waters. It may be present in the Great Zab to the north,[7] and a number of rivers to the east, including the Dez, Karun, and Karkheh.[2] One immature male fish identified as G. kurdistanicus in 2009 was collected from the Garaf River, a distributary of the Tigris south of Baghdad.[5] However, the IUCN considered the identification of many of these specimens to be "speculations".[1]

A

rheophilic predator, G. kurdistanicus feeds on aquatic invertebrates and small fish in fast-moving rivers.[2][3]

Conservation

Uncertainties in the range and taxonomy of Glyptothorax kurdistanicus prevent the IUCN from assessing its conservation status.[1][6] As of 2014, it is considered data deficient, although the damming of rivers in the region may ultimately qualify this or related species for threatened status.[1]

References

  1. ^
    doi:10.2305/IUCN.UK.2014-1.RLTS.T19530320A19850050.en
    . Retrieved 20 November 2021.
  2. ^ a b c d e f g h i Coad, Brian W. (2014). "Review of the Freshwater Catfishes of Iran (Order Siluriformes)". Iranian Journal of Ichthyology. 1 (4): 218–257.
  3. ^ a b c Firouz 2005, p. 278.
  4. ^ Berg, Lev (1931). "Description of a new siluroid fish, Glyptosternum kurdistanicum from the basin of the Tigris River". Izvestiya Akademii Nauk SSSR. 7: 1267–1270.
  5. ^
    doi:10.1111/j.1439-0426.2009.01314.x
    .
  6. ^ a b Smith et al. 2014, p. 29.
  7. ^ Abdullah, Shamall M. A.; Mhaisen, Furhan T. (2010). "Comparative Study on the Parasitic Infections of Some Sympatric Fish Species in Greater Zab and Lesser Zab Rivers, North of Iraq". Basrah Journal of Agricultural Sciences. 23 (special issue 2): 70–80.

Bibliography

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