
Carp & Sucker
Cui-ui
Chasmistes cujus
FreshwaterCatostomidaeEndangered
About
The Cui-ui is a critically endangered suckerfish endemic to Pyramid Lake in Nevada. It has a streamlined body, a flattened head, and a fleshy lower lip adapted for bottom feeding. Cui-ui are long-lived, with some individuals living for over 40 years.
- Average size
- Up to 25 inches, 5 pounds
- Colors
- Dark olive-brown to black dorsally, fading to silver or white on the sides and belly
- Diet
- Primarily bottom-dwelling invertebrates and algae
- Region
- Nevada (Pyramid Lake)