Endangered
Wartmann's Whitefish
Coregonus wartmanni
Wartmann's Whitefish is a freshwater fish of the family Salmonidae found in Lake Constance (Austria, Germany and Switzerland).
The whitefish
Salmonids include salmon, trout, and whitefishes: cold-water fishes with an adipose fin and a strong tie to clean lakes or rivers.
Salmon, trout, and whitefishes of cold, well-oxygenated water.
Range and habitat
Wartmann's Whitefish is a freshwater fish of the family Salmonidae found in Lake Constance (Austria, Germany and Switzerland).
GBIF currently lists 139 occurrence points. Those points follow where people logged the taxon — museum drawers and surveys included — not a closed range boundary.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Diet
Salmonids need cold, oxygenated water and a clean gravel or open-lake feeding ground. Endemic whitefishes collapse when the lake is eutrophied or fished out.
In crisis
Wartmann's Whitefish is Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Wartmann's Whitefish — often a short stub, Wikidata item Q889708 and GBIF occurrence geography. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.
