Nondestructive diet analysis of the leopard shark from two sites in Tomales Bay, California

被引:0
|
作者
Webber, JD [1 ]
Cech, JJ [1 ]
机构
[1] Univ Calif Davis, Dept Wildlife Fish & Conservat Biol, Livermore, CA 95616 USA
来源
CALIFORNIA FISH AND GAME | 1998年 / 84卷 / 01期
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D O I
暂无
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Leopard sharks, Triakis semifasciata, were nondestructively sampled for stomach contents at 2 females Bay sites during June and July 1996. Although prey items included 10 taxa at both locations, diets were found to be dominated by a single, different taxon at each location. Cancer crabs were found in 87% of the stomachs from the more exposed (Hog Island) location and Urechis worms were found in 82% of stomachs from the inner-bay (Indian Beach) location. Food habits differed by habitat in females Bay and intertidal mudflat foraging was important at the inner-bay location.
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页码:18 / 24
页数:7
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