Results 171 to 180 of about 17,389 (222)
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Factors Affecting Sea Lamprey Egg Survival
North American Journal of Fisheries Management, 2009Abstract Factors that affect recruitment of sea lampreys Petromyzon marinus are not well understood; for example, the majority (85%) of sea lamprey eggs are washed out of the nest, and the survival rate of these eggs is unknown. We examined the role of predation and substrate on egg survival in the laboratory and egg predation and ...
Stephen J. Smith, J. Ellen Marsden
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Sea Lamprey Control in Lake Champlain
Journal of Great Lakes Research, 2003Abstract In 1990, the United States Fish and Wildlife Service (USFWS) and state agencies initiated an 8-year experimental sea lamprey ( Petromyzon marinus ) control program on Lake Champlain to reduce parasitic phase sea lamprey and increase sport fish survival and growth. Twenty-four 3-trifluoromethyl-4-nitrophenol (TFM) treatments were conducted on
J. Ellen Marsden +9 more
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The tegmental proliferation region in the sea lamprey
Brain Research Bulletin, 2005The diencephalic/midbrain tegmental domain of the developing lamprey was characterized by the special features of the ventricular zone and distribution of some postmitotic neuronal populations, using proliferating cell nuclear antigen (PCNA) and HNK-1 immunocytochemistry. In late prolarvae and early larvae, the tegmental ventricular zone differentiated
Begoña, Villar-Cheda +3 more
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Reelin immunoreactivity in the larval sea lamprey brain
Journal of Chemical Neuroanatomy, 2002In order to analyze the presence of a reelin-like protein in the brain of a primitive vertebrate with a laminar-type brain, such as the sea lamprey, Western blot and immunohistochemical approaches were employed by using the G10 and 142 reelin-specific monoclonal antibodies.
Emma, Pérez-Costas +5 more
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Reelin immunoreactivity in the adult sea lamprey brain
Journal of Chemical Neuroanatomy, 2004The expression of reelin, a large extracellular matrix glycoprotein, was studied in the brain of pre-spawning adult sea lampreys by immunohistochemistry using two monoclonal antibodies against this protein. Reelin immunoreactive (reln-ir) neurons were observed in the olfactory bulb, and pallial and subpallial regions in the telencephalon.
Emma, Pérez-Costas +4 more
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1996
The earliest vertebrate class, Cyclostomata, consists of two orders: Petromyzontia and Myxinoidia. Lampreys belong to the first and slime eels and hagfish to the second. These may be called the most primitive fish—if the term “fish” is used to denote any poikilothermic aquatic craniate vertebrate. Almost all are parasitic. Lampreys are jawless and have
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The earliest vertebrate class, Cyclostomata, consists of two orders: Petromyzontia and Myxinoidia. Lampreys belong to the first and slime eels and hagfish to the second. These may be called the most primitive fish—if the term “fish” is used to denote any poikilothermic aquatic craniate vertebrate. Almost all are parasitic. Lampreys are jawless and have
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An Experimental Sea Lamprey Barrier
The Progressive Fish-Culturist, 1964(1964). An Experimental Sea Lamprey Barrier. The Progressive Fish-Culturist: Vol. 26, No. 2, pp. 80-83.
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Sea Lamprey Larvae in Lentic Environments
Transactions of the American Fisheries Society, 1962Abstract Surveys were conducted at 29 locations in the Lake Superior, Lake Michigan, and Lake Huron drainages to determine if larval sea lamprey, Petromyzon marinus, inhabit lentic waters. A direct-current shocker and a dredge were used to take samples near the mouths of streams that produce sea lampreys. In the Great Lakes proper, 26 larvae were taken
Wilbert C. Wagner, Thomas M. Stauffer
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Inhibitory descending rhombencephalic projections in larval sea lamprey
Neuroscience, 2011Lampreys are jawless vertebrates, the most basal group of extant vertebrates. This phylogenetic position makes them invaluable models in comparative studies of the vertebrate central nervous system. Lampreys have been used as vertebrate models to study the neuronal circuits underlying locomotion control and axonal regeneration after spinal cord injury.
S M, Valle-Maroto +5 more
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Two records of sea lamprey from the north Aegean Sea
Journal of Fish Biology, 1999Two adult sea lampreys Petromyzon marinus, one female and one male, 742 and 645 mm LT respectively, were caught in the north Aegean Sea, Greece (Vistonis bay and shore of Karvali). These two records are the first for the Aegean Sea and for the whole eastern Mediterranean.
P.S. Economidis +2 more
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