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Witherell, D. B. and B. Kynard (1990). Vertical distribution of adult American shad in the Connecticut River. Transactions of the American Fisheries Society. 119:151-155.
Adult American shad Alosa sapidissima were sampled with vertical gill nets during the 1986 and 1987 spawning and postspawning migrations in the Connecticut River. Most (83%) were caught in the lower half of the water column, but not on the river bottom. The vertical distributions of gravid and spent fish were similar for both males and females. American shad showed no diel, seasonal, or yearly changes in depth distributions. Larger gravid fish swam deeper in the water column than did smaller gravid fish.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/URL: http://www.umesc.usgs.gov/data_library/fisheries/fish_passage/witherell.html
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