noun (plural lampreys)
An eellike aquatic jawless vertebrate that has a sucker mouth with horny teeth and a rasping tongue. The adult is often parasitic, attaching itself to other fish and sucking their blood.
- Family Petromyzonidae: several genera and species.
- These conditions support a rich diversity of invertebrate life and important game fisheries, such as brown trout, brook lamprey, salmon, crayfish, and otter.
- Modern adult lampreys measure anywhere from about 6 to 40 inches long.
- Several fish, such as the sea lamprey, Atlantic sturgeon, alewife, Atlantic salmon and American eel live most of their lives in the ocean but enter freshwater to spawn.
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