Abstract
Abstract Eggs of striped bass Morone saxatilis were collected from broodfish at seven hatcheries and one wild population representing nine watersheds from Georgia to Canada to determine the relationship between watershed type and egg characteristics, including density, diameter, oil globule size, surface : volume ratio, and lipid content. These populations represented an inland freshwater lake (Lake Lanier), upland-dominated (high-physical-energy) freshwater rivers (Dan and upper Roanoke (Staunton) rivers), estuarine-influenced (low-physical-energy) coastal rivers (Savannah, Pamunkey, Choptank, and Nanticoke rivers), an upland tidal-bore river (Shubenacadie River), and an upland tidal river (Miramichi River). Water quality parameters varied among hatchery locations. Water hardening of eggs occurred within 2.5 h of fertilization. Egg diameter and relative oil globule size did not differ significantly under ambient hatchery and controlled water quality conditions. However, eggs from different watersheds dif...
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