Bezoule
| Bezoule | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Coregonus bezola | ||||||||||||
| Fatio , 1888 |
The bezoule ( Coregonus bezola ) is an extinct freshwater fish species from the genus Coregonus within the subfamily Coregoninae . It was endemic to Lac du Bourget in the French department of Savoie .
features
The bezoule reached a standard length of 320 mm. It had 26 to 33 gill spines . There were 81 to 87 rows of scales on the lateral line organ . The back was yellowish to brownish, the flanks were silvery with a yellowish tint.
Way of life
The Bezoule inhabited the deep water of the Lac du Bourget. The spawning season was between January and February. The eggs were laid on the mud bottom at a depth of 70 to 80 meters.
status
The bezoule was declared extinct in 2008 by the International Union for Conservation of Nature (IUCN). The last clearly documented specimen was caught in the late 19th century. According to information from local fishermen, the species survived into the 1960s. The causes of their disappearance are unclear. Only one preserved copy exists in the museum collections.
literature
- Kottelat, M. & Freyhof, J. (2007): Handbook of European Freshwater Fishes . Publications Kottelat, Cornol, Switzerland. ISBN 978-2-8399-0298-4 . P. 351.
Web links
- Bezoule on Fishbase.org (English)
- Coregonus bezola in the Red List of Threatened Species of the IUCN 2011. Posted by: Freyhof, J. & Kottelat, M .. Retrieved on 12 March 2012 found.