Endangered
Warner sucker
Catostomus warnerensis
Warner sucker is a ray-finned fish in the family Catostomidae (order Cypriniformes) — Catostomus warnerensis, recorded as Endangered.
Appearance
It has a dark back and sides and a white belly.
This sucker is up to about 15+3⁄4 inches (40 cm) in length.
Range and habitat
This fish is native to shallow lakes and associated marshes and intermittent lakes and creeks in the Warner Valley of Lake County, Oregon. There are two morphs, one that lives in the lakes and one that stays in stream habitat past spawning time. The lake-dwelling morph is generally larger in size.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
It is a federally listed threatened species. The International Union for Conservation of Nature has rated this fish as an endangered species because of its small extent of occurrence, the small number of locations in that it is found, and the extreme fluctuations in area of occupancy resulting from drought and water abstraction.
Warner sucker 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 Warner sucker, Wikidata item Q307096. 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.
