Alewives (Alosa pseudoharengus; Figure 1) are small, silvery forage fish found along the East Coast from Newfoundland to the Carolinas. They are commonly referred to as river herring along with the closely related blueback...
Sea lampreys (Petromyzon marinus) are a jawless species of fish native to the northern Atlantic Ocean and Mediterranean Sea. They have a complex life cycle that begins and ends in freshwater. Sea lamprey eggs...
Alewives (Alosa pseudoharengus) are small, silvery forage fish in the family Clupeidae (Figure 1). Their native range spans the eastern seaboard of North America from South Carolina to Newfoundland. Historically, alewives have supported important...
In many rivers throughout the world, dams have greatly altered the aquatic ecosystem. These structures block migratory routes for anadromous species that live in saltwater and migrate into freshwater to spawn, preventing them from...
Alewives (Alosa pseudoharengus) and blueback herring (Alosa aestivalis), collectively known as river herring, are small, silvery fish native to the east coast of North America. They are anadromous, meaning they spend most of their...
