Cui Ui
The cui-ui, Chasmistes cujus, is a freshwater fish endemic to Pyramid Lake in Nevada, USA. Recognizable by its large mouth and unique body shape, it has faced significant population declines due to habitat alterations. This species is currently endangered and is known for its distinctive spawning behavior along the lake margins.
Length~40 (max 64)
Weight~1 (max 3)
WaterFresh
Water Temp9-17° F
Depth46 ft
- Other names-
- Length~40 (max 64)
- Weight~1 (max 3)
- WaterFresh
- Water Temp9-17° F
- Depth46 ft
Popular lures for Cui Ui
Regulation for Cui Ui
There is no general regulation for the state of nevada
Detailed information about the regulation in this state can be found on the official pages of the state.
Living Conditions
🐟 Habitat preferences
- Cui-ui inhabit deep waters of Pyramid Lake, preferring cooler temperatures
- They spawn in the shallower, rocky margins of the lake during spring
- Their diet includes plankton, algae, and small invertebrates, making them filter feeders
- Juveniles stay in protected areas before moving to deeper parts of the lake as they grow
♻️ Life cycle and mating behavior
- Spawning occurs in spring when water temperatures rise, typically near the shore
- Females release eggs that are fertilized by multiple males in rocky substrates
- Larvae hatch and remain in shallow, protected waters until they mature
- The species exhibits high site fidelity, with adults often returning to the same spawning grounds annually