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.
| Common nase | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Subfamily: | Leuciscinae |
| Genus: | Chondrostoma |
| Species: | C. nasus
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| Binomial name | |
| Chondrostoma nasus | |
| Synonyms | |
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Distribution
editThe 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
editThe 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 (9.8 to 15.7 in) in length, and weigh about 1 kg (2.2 lb). However, specimens have been recorded up to 58.5 cm (23.0 in) long and 3.4 kg (7.5 lb) in weight.[4] The maximum recorded life span of the fish is 15 years.[5]
Biology
editThis 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.[6]
Description
editThe fish was first described by Carl Linnaeus in 1758.
Protection
editThe nase is protected by the Convention on the Conservation of European Wildlife and Natural Habitats.
References
edit- ^ 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.
- ^ Keith, Philippe; Allardi, Jean, eds. (2001). Atlas des poissons d'eau douce de France (in French). Paris: Muséum national d'histoire naturelle, Secrétariat de la faune et de la flore. p. 387. ISBN 2856535321. Retrieved 28 November 2023.
- ^ Abel, E. F. (1971). "Zur Ethologie von Putzsymbiosen einheimischer Swasserfische im natrlichen Biotop". Oecologia (in German). 6 (2): 133–151. doi:10.1007/BF00345715. Retrieved 28 November 2023.
- ^ "Deutsche Rekordliste – Nase". Fisch & Fang (in German). 7 March 2016. Retrieved 25 July 2024.
- ^ 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.
- ^ Billard, Roland (1997). Les poissons d'eau douce des rivières de France: identification, inventaire et répartition des 83 espèces (in French). Lausanne Paris: Delachaux et Niestlé. p. 192. ISBN 2603010468. Retrieved 28 November 2023.
- Froese, Rainer; Pauly, Daniel, eds. (2012). "Chondrosoma nasus". FishBase.