Fin's Fish Guide
The Cui-ui (Chasmistes cujus) is a freshwater fish of the family Catostomidae that grows up to 67 cm.
Description
The cui-ui is a large sucker (Catostomidae) endemic to Pyramid Lake in Nevada, in the western United States. The species grows to about 67 cm and has a stocky, dark-grey body with a terminal, fleshy mouth, unlike the inferior mouth of most suckers. It lives in the deep lake and filters zooplankton; to spawn it ascends the mouth of the Truckee River. The species is long-lived and critically endangered. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Cui-ui?
The Cui-ui has an elongate, eel-like body and is mainly silver-grey.
Where does the Cui-ui live?
The Cui-ui lives in fresh water and is mostly found around sand or mud bottom. North America: USA
How big does the Cui-ui get?
The Cui-ui grows to a maximum of about 67 cm.
Is the Cui-ui dangerous to humans?
No, the Cui-ui 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 Cui-ui edible?
Yes, the Cui-ui is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Chasmistes
More from the family Catostomidae
Want the complete picture on the Cui-ui?
Point your camera at the fish and Fin names the species in seconds. Free, and the Cui-ui is one of 12,519 species in the app.