7400

• UCREFRP Catalog Number: 7400
• Author: Valdez, R. A.
• Title: The Endangered Fish of Cataract Canyon
• USFW Year: 1990.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

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UST OF TABLES

Number Paae

Table 1. Purpose and dates of sample trips for the Cataract Canyon Studies, 1985-1988. 17

Table 2. Description of fish sampling gear used in the Cataract Canyon Studies, 1985-1988. .. 18
Table 3. Summary of fish sample efforts by year. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 19
Table 4. Fish species encountered in the Cataract Canyon Studies, 1985-1988. . . . . . . . . . .. 23

Table 5. Number and percentage of native, endemic, and non-native fishes captured by year,

1985-1988. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 24

Table 6. Numbers of endangered fish by species and age category captured by year,

1985-1988. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 25

Table 7. Number and percentage of all fish species captured by year, 1985-1988. . . . . . . . .. 26
Table 8. Number and percentage of all fish species by age category captured by year,

1985-1988. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 28

Table 9. Number and percentage of endemic, native, and exotic fish species by region,

1985-1988. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 32

Table 10. Numbers of endangered fish by age category captured by region, 1985-1988. . . . .. 32
Table 11. Number and percentage of all fish species by region, 1985-1988. . . . . . . . . . . . . .. 34
Table 12. Numbers of endangered fish by age category captured by gear type, 1985-1988 . .. 38

Table 13. Definitions of the ten major riverine fish habitats.

42

Table 14. Numbers of endangered fish by age category captured by habitat type, 1985-1988. 43
Table 15. Species associated with Colorado squawfish by habitat, 1985-1988 ............ 44

Table 16. Species associated with humpback chub by habitat, 1985-1988 ............... 44

Table 17. Individual membership of Cataract Canyon Gila to four clusters established through
principal components analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 59

Table 18. Ust.ing of meristics associated with Cataract Canyon Gila used in the principal

component analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 61

Table 19. Mean calculated total lengths of Gila cypha and suspected Gila elegans from Cataract

Canyon. ...................................................... 64

Table 20. Cobble bars on the Lower Green and Colorado Rivers of the upper basin recognized
as possible spawning sites for Colorado squawfish. . . . . . . . . . . . . . . . . . . . . . . .. 69

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