| 11. | Sea lampreys ( " Petromyzon marinus " ) have been seen attached near the cloaca of this shark.
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| 12. | The program may be used as a model for control of the sea lamprey infestation of the Great Lakes.
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| 13. | The main reasons for its extinction were competition from the invasive alewife and predation by the introduced sea lamprey.
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| 14. | Mature sea lampreys attach themselves to game fish, feeding on the blood of lake trout, salmon and other species.
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| 15. | Invaders such as the sea lamprey, ruffe and round goby threaten the $ 4.5 billion Great Lakes fishing industry.
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| 16. | Poor river conditions, pollution, and the impacts of parasitic sea lampreys contributed to the failure of these stocking programs.
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| 17. | Both eels, anadromous salmoniform fish and the sea lamprey have different tolerances in salinity in different stages of their lives.
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| 18. | New York's Finger Lakes sea lamprey control program is managed solely by the New York State Department of Environmental Conservation.
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| 19. | There is a low-head dam by Gladstone Golf Course installed in 1978 to prevent upstream migration of invasive sea lamprey.
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| 20. | Invaders such as the sea lamprey, ruffe and round goby threaten the $ 4 . 5 billion Great Lakes fishing industry.
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