In some areas governments are trying to maintain or increase lamprey populations, because lampreys, which are food for other fishes and for birds, help fishermen. In some regions, however, lampreys are a problem, because during the parasitic phase they harm other fishes. …
Physical characteristics: Sea lampreys are about 47 inches (120 centimeters) long. The body is grayish brown on top and mottled, or spotted, yellowish brown along the sides. Geographic range: Sea lampreys live on both sides of the North Atlantic Ocean, in the western Mediterranean Sea, and in the Great Lakes of North America. Habitat: Sea lamprey larvae live in muddy or sandy freshwater streams. M…
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User Comments
over 2 years ago
when is the spawning season in the northern hemisphere?