Coregonus bavaricus, known as the kilch or Ammersee-Kilch in German, is a species of freshwater whitefish in the family Salmonidae. It is endemic to the Ammersee lake in Bavaria, where it is pelagic in deep water. It is considered a critically endangered species by the IUCN Red List, since it is only found in an area of 10 square kilometres (3.9 sq mi), and has only been recorded three times since 2000. Still in the 1940s it was a commercially important fish. A decline probably occurred in the 1970s when eutrophication of the lake was intense, and this is still considered to be the main threat to the survival of the species.
The standard length of the kilch is 241–245 millimetres (9.5–9.6 in). They have 18-30 gill rakers.
- Froese, Rainer and Pauly, Daniel, eds. (2010). "Coregonus bavaricus" in FishBase. January 2010 version.
- Freyhof, J.; Kottelat, M. (2008). "Coregonus bavaricus". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature.
- Freyhof, Jörg (2005). "Redescription of Coregonus bavaricus Hofer, 1909 from Lake Ammersee, Bavaria (Salmoniformes: Coregonidae)" (PDF). Cybium. Leibniz-Institute of Freshwater Ecology and Inland Fisheries. 29 (2): 179–183.
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