''Coregonus gutturosus'', the Lake Constance whitefish, is an extinct species of whitefish in the salmon family

Salmonidae Salmonidae is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes . It includes salmon (both Atlantic and Pacific species), trout (both ocean-going and landlocked), chars, freshwater whitefis ...

. It was formerly found only in deep areas of Lake Constance in the

Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Swi ...

Extinction

''Coregonus gutturosus'' was a deep water whitefish that reached a length of . ''Coregonus gutturosus'' was highly sensitive to environmental changes and it is thought that the

eutrophication Eutrophication is the process by which an entire body of water, or parts of it, becomes progressively enriched with minerals and nutrients, particularly nitrogen and phosphorus. It has also been defined as "nutrient-induced increase in phytopla ...

of Lake Constance, which peaked in 1979, irreversibly affected the development of the eggs of the species. Surveys undertaken at the start of the 21st century failed to find any evidence of the survival of the Lake Constance whitefish.

References

gutturosus Fish described in 1818 Freshwater fish of Europe Lake Constance Cold water fish Extinct animals of Europe Fish extinctions since 1500 {{Salmoniformes-stub