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Why do large cutthroat have empty stomachs and little cutthroat have stickleback in their stomachs?

April 26, 2017cutthroat large little stickleback stomachs

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Why do large cutthroat have empty stomachs and little cutthroat have stickleback in their stomachs?

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This observation is likely from a few fish caught on certain days and does not reflect the general condition of stomach contents. During sampling of fish in 1997 through 2000, large and small cutthroat were found to have stickleback in their stomachs.