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Feeding and fate of wild larval razorback sucker

Citation

Daniel R Langhorst, and Paul C Marsh, Feeding and fate of wild larval razorback sucker: .

Summary

The razorback sucker (Xyrauchen texanus) is disappearing throughout its native range in the Colorado River basin of western North America. The largest remaining wild population in Lake Mohave, Arizona-Nevada, has shown no recruitment since the 1950s. Although annual spawning is successful and larvae are seasonally abundant, no juveniles have been collected in recent decades. To evaluate the potential role of food availability in determining fate of larvae, fish and zooplankton samples were taken in 1985 from the reservoir and an adjacent, isolated backwater in which larvae were naturally produced. Food availability and primary dietary constituents were similar in both habitats. Reservoir larvae selectedBosmina spp. (Cladocera) and [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 12:08:49 CDT 2011

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Title Citation Feeding and fate of wild larval razorback sucker

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