A few critics have noted the ways in which Kennedy's speech differed from the typical inaugural address. Focusing on Kennedy's use of antithesis, for example, Edward B. Kenny emphasized how the speech cast global events as a simplistic struggle between two opposing forces, the United States and the Soviet Union.
As adults in the marine environment, Pacific lampreys are parasitic and feed on a. variety of marine and anadromous fish including Pacific salmon, flatfish, rockfish, and pollock, and. are preyed upon by sharks, sea lions, and other marine animals. They have been caught in depths.
The chestnut and silver lamprey are parasitic in their adult stage and feed on body fluids and blood of fish. They can leave a deep wound in the fish that they feed on but rarely kill the host fish as the sea lamprey does. The American brook and the northern brook lamprey are not parasitic on fish and do not feed in their adult life stage. The invasive sea lamprey is the largest of the lamprey in the Great Lakes and can attain a size of two feet. The two native parasitic chestnut and silver lamprey can reach a size of one foot. The two native non-parasitic American brook and northern brook lamprey reach a maximum size of about six inches.