Common nase

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Common nase
Chondrostoma nasus (aka).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Leuciscinae
Genus: Chondrostoma
Species:
C. nasus
Binomial name
Chondrostoma nasus
Synonyms
  • Cyprinus nasusLinnaeus, 1758
  • Chondrostoma ohridanum Karaman, 1924

The common nase (Chondrostoma nasus) is a European potamodromous cyprinid fish. It is often simply called the nase, but that can refer to any species of its genus Chondrostoma . Another name is sneep.

Contents

Distribution

The nase is found naturally in drainages of the Black Sea (Danube, Dniestr, Southern Bug, Dniepr), the southern Baltic Sea (Nieman, Odra, Vistula) and the southern North Sea (to Meuse in the west). [2] Moreover, it has been introduced to the Rhône, Loire, Hérault, and Soca/Isonzo (Italy, Slovenia) drainages. It is a migratory fish. [3]

Appearance

The nase has a spindle shaped physique, with a blue-grey metallic-coloured scales and orange tail. It has relatively sharp lower lip. Generally, the fish range from 25 to 40 centimetres in length, and weigh about 1000 grams. However, specimens have been recorded up to 60 long and 3 kg in weight . The maximum recorded life span of the fish is 15 years. [4]

Biology

This gregarious species is found in deep water with a fast current, often in the back waters of bridges or in rocky outcrops. It dwells near the bottom where it feeds on algae, aquatic plants and invertebrates. Nase fish on the whole stay in shoals. [5]

Description

The fish was first described by Carl Linnaeus in 1758.

Protection

The nase is protected by the Convention on the Conservation of European Wildlife and Natural Habitats.

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References

  1. Freyhof, J. (2016) [errata version of 2011 assessment]. "Chondrostoma nasus". IUCN Red List of Threatened Species . 2011: e.T4789A97800985. doi: 10.2305/IUCN.UK.2011-1.RLTS.T4789A11094713.en .
  2. Keith, Philippe Keith (2001). Atlas des poissons d'eau douce de France. Paris: Muséum national d'histoire naturelle, Secrétariat de la faune et de la flore. p. 387. ISBN   2856535321 . Retrieved 28 November 2023.
  3. Abel, E. F. (1971). "Zur Ethologie von Putzsymbiosen einheimischer Swasserfische im natrlichen Biotop". Oecologia. 6 (2): 133–151. doi:10.1007/BF00345715 . Retrieved 28 November 2023.
  4. Kottelat, Maurice; Freyhof, Jörg (2007). Handbook of european freshwater fishes. Cornol: Publications Kottelat. p. 646. ISBN   978-2-8399-0298-4 . Retrieved 28 November 2023.
  5. Billard, Roland (1997). Les poissons d'eau douce des rivières de France: identification, inventaire et répartition des 83 espèces. Lausanne Paris: Delachaux et Niestlé. p. 192. ISBN   2603010468 . Retrieved 28 November 2023.