Are lamprey and hagfish related?
Yes. Lamprey and hagfish are both jawless fishes. They are the only living members of the taxonomical class Agnatha (Greek for “no jaws”).
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Vulnerability of larval lamprey to Columbia River hydropower system operations—effects of dewatering on larval lamprey movements and survival
Numbers of adult and juvenile Pacific lamprey ( Entosphenus tridentatus ) in the upper Columbia River Basin of the interior Pacific Northwest have decreased from historical levels (Close and others, 2002), raising concerns f rom State and Federal agencies and Tribal entities. In 1994, the U.S. Fish and Wildlife Service designated Pacific lamprey...
Liedtke, Theresa L.; Weiland, Lisa K.; Mesa, Matthew G.
Passage and behavior of radio-tagged adult Pacific Lamprey (Entosphenus tridentata) at the Willamette Falls Project, Oregon, 2005-07
We used radio telemetry to monitor passage and describe behavior characteristics of adult Pacific lampreys, Entosphenus tridentata, during their upstream migration at the Willamette Falls Project (Project) on the Willamette River near Portland, Oregon. Our objectives were to document: (1) specific routes of passage at the dam and falls; (2)...
Mesa, Matthew G.; Magie, Robert J.; Copeland, Elizabeth S.
Acute Toxicity of the Lampricides TFM and Niclosamide to Three Species of Unionid Mussels
The sea lamprey (Petromyzon marinus), a jawless parasitic eel-like fish native to the Atlantic Ocean (fig. 1), was accidentally introduced into the Great Lakes in the early 20th century through the construction of shipping canals. A member of the Petromyzonidae family, the primitive parasite has been identified as a major cause of the collapse of...
Boogaard, Michael A.
Sex-Shifting Fish: Growth Rate Could Determine Sea Lamprey Sex
Unlike most animals, sea lampreys, an invasive, parasitic species of fish damaging the Great Lakes, could become male or female depending on how quickly they grow, according to a U.S. Geological Survey study published today.
Controlling Those Suckers Known as Sea Lamprey
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Sea Lamprey Mating Pheromone Registered by U.S. Environmental Protection Agency as First Vertebrate Pheromone Biopesticide
Ann Arbor, MI – The U.S. Environmental Protection Agency registered a sea lamprey mating pheromone, 3kPZS, as the first ever vertebrate pheromone biopesticide in late December, 2015. Like an alluring perfume, the mating pheromone is a scent released by male sea lampreys to lure females onto nesting sites.
Great Lakes Sea Lamprey Control To be Featured on Discovery Channel’s
ANN ARBOR, MI—Sea lamprey control is a “dirty job,” one that TV star Mike Rowe will take on during an upcoming episode of the Discovery Channel’s popular program Dirty Jobs. The segment will first air on November 2, 2010 at 9:00 EST/8:00 CST.
Pacific lamprey mouth and teeth (Thumb)
Pacific lamprey mouth and teeth.
Sea Lamprey
USGS sea lamprey expert Nick Johnson demonstrates the ridge of tissue, called a rope, along the back of a mature male sea lamprey. Photograph credit: Andrea Miehls, USGS
Sea Lamprey Hammond Bay Biological Station
Sea Lamprey at the Hammond Bay Biological Statioin in Millersburg, MI
River Lamprey
Eyed juvenile river lamprey (Lampetra ayresii) caught in Skagit River smolt trap, 2011.
Lake Trout with attached sea lamprey
An adult Pacific lamprey captured at Bonneville Dam
Pacific Lamprey
Pacific Lamprey mouth suckers adhered to the glass at Bonneville Dam fish viewing window.
The native Pacific Lamprey uses the fish ladder at Bonneville Dam. This species plays a significant role in the foodweb and in Tribal "first foods".--cultural.