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Distribution, movements, and habitat use of razorback sucker (Xyrauchen texanus) in a lower Colorado River Reservoir, Arizona-Nevada

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Distribution, movements, and habitat use of razorback sucker (Xyrauchen texanus) in a lower Colorado River Reservoir, Arizona-Nevada; 2000; Article; Journal; Western North American Naturalist; Mueller, G.A.; Marsh, P.C.; Knowles, G.; Wolters, T.

Summary

Distribution, movements, and habitat use of 10 wild adult razorback suckers (Xyrauchen texanus) were examined in Lake Mohave, Arizona-Nevada, from November 1994 through July 1997. Movement rates (0.00-17.35 km d⁻¹) and ranges (x̄ = 39 km) were similar to those for riverine populations. All study fish returned to spawning sites used in previous years, but they also visited other spawning areas. Spawning females were significantly (P = 0.031) more active than males (480 vs. 87 m d⁻¹) and moved substantial distances between spawning sites during peak reproduction (1-28 February). Fish became most active (m d⁻¹, km month⁻¹) after spawning and moved to areas known to support higher algal production. Fish were typically within 50 m (F < [...]

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Type Scheme Key
local-index unknown 1015053
local-pk unknown 1015053
series unknown Western North American Naturalist

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citationTypeArticle
journalWestern North American Naturalist
languageEnglish
parts
typevolume
value60
typeissue
value2

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