Bluefish (Pomatomus saltatrix; Figure 1) is a highly predatory saltwater species found in most coastal areas around the world. Bluefish are opportunistic and voracious feeders that commonly prey on small forage fish such as...
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...
American eels (Anguilla rostrata) are slimy fish with long, snakelike bodies found along the Atlantic coast from Greenland to Brazil. Like many species of diadromous fish (species that migrate between fresh and saltwater), American...
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...
