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iNat·97301SpeciesActinopterygii8 field observations
  1. Animals
  2. ›Chordates
  3. ›Vertebrates
  4. ›Ray-finned Fishes
  5. ›Carps, Characins, Catfishes and Allies
  6. ›Minnows, Suckers, Carps, and Loaches
  7. ›Suckers
  8. ›Suckers
  9. ›Typical Suckers
  10. ›Chasmistes
Cui-ui
Plate 1 of 3. (c) christiankishida, some rights reserved (CC BY-NC) · via iNaturalist
IUCN EN · Endangered

Cui-ui

Chasmistes cujus

The cui-ui (Chasmistes cujus) is a large sucker fish endemic to Pyramid Lake and, prior to its desiccation in the 20th century, Winnemucca Lake in northwestern Nevada. It feeds primarily on zooplankton and possibly on nanoplankton (such as algae and diatoms). The maximum size of male cui-ui is approximately 53 cm (21 in) and 1.6 kg (3.5 lb), while females reach approximately 64 cm (25 in) and 2.7 kg (6.0 lb). The life span of cui-ui is typically about forty years, but the fish...

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Chasmistes cujus in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 97301.