Lost River Sucker
NameLost River Sucker
Scientific NameDeltistes luxatus
Common NamesLost River Sucker, Cui-ui
FamilyCatostomidae
OriginKlamath Basin, Southern Oregon, Northern California
Temperamentpeaceful
Dietomnivore
Care Levelexpert
Minimum Tank Size (Gallons)1000
Max Size (Inches)36
Water TypeFreshwater
Temperature Range (°F)55-70
pH Range7.5-9.0
Compatible SpeciesOther native Klamath Basin fish (e.g., Shortnose Sucker, Klamath Largescale Sucker, native minnows)
Description
The Lost River Sucker (Deltistes luxatus) is a large, critically endangered freshwater fish endemic to the Klamath Basin in Oregon and California. Characterized by its subterminal mouth and dark, mottled coloration, it can grow up to 3 feet long. This long-lived species primarily feeds on plankton and detritus, playing a vital role in its unique lake and river ecosystem.
