The Lost River Sucker (Deltistes luxatus) is a freshwater fish of the family Catostomidae that grows up to 86 cm.
Description
The Lost River sucker is a large sucker endemic to the Klamath and Lost River basin of the western United States. The species grows to about 86 cm and has an elongate, dark body and a fleshy, inferior sucking mouth. As a bottom-dweller it lives in lakes and rivers and searches for invertebrates, algae and detritus; it migrates upstream to spawn. Owing to dams, water shortage and habitat loss the species has declined sharply. The IUCN assesses it as Endangered (EN).
Frequently asked questions
How do you recognise the Lost River Sucker?
The Lost River Sucker has an elongate, eel-like body, is mainly brown and shows a plain pattern. Fleshy inferior sucker mouth; endangered lake endemic
Where does the Lost River Sucker live?
The Lost River Sucker lives in fresh water and is mostly found around sand or mud bottom. Western US (endemic)
How big does the Lost River Sucker get?
The Lost River Sucker grows to a maximum of about 86 cm. On average the species is around 55 cm.
Is the Lost River Sucker dangerous to humans?
No, the Lost River Sucker is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Lost River Sucker edible?
The Lost River Sucker is not usually eaten.
More photos

Want the complete picture on the Lost River Sucker?
Point your camera at the fish and Fin names the species in seconds. Free, and the Lost River Sucker is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Catostomidae

Want the complete picture on the Lost River Sucker?
Point your camera at the fish and Fin names the species in seconds. Free, and the Lost River Sucker is one of 12,519 species in the app.