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Author : M. W. Hardisty,I. C. Potter
Publisher : Unknown
Page : 448 pages
File Size : 42,7 Mb
Release : 1971
Category : Fishes
ISBN : UCSD:31822013802640
Author : Phillip Sheridan Parker,Robert E. Lennon
Publisher : Unknown
Page : 36 pages
File Size : 44,6 Mb
Release : 1956
Category : Lampreys
ISBN : UOM:39015086578658
Most of the experimental lampreys were mature and rip after 14 to 18 months of parasitic life. They exhibited signs of irreversible physical degeneration which precedes death. Three specimens were immature at 14, 18, and 26 months in aquariums, thus indicating that under certain conditions, lampreys may extend their parasitic phase.
Author : Margaret F. Docker
Publisher : Springer
Page : 438 pages
File Size : 40,7 Mb
Release : 2014-11-24
Category : Science
ISBN : 9789401793063
The book provides the most comprehensive review of lamprey biology since Hardisty and Potter’s five-volume “The Biology of Lampreys” published more than 30 years ago. Published in two volumes, it includes contributions from international lamprey experts, reviewing and providing new insights into the evolution, general biology, and management of lampreys worldwide. This first volume offers up-to-date chapters on the systematics, general biology, conservation status, and conservation needs of lampreys. It will serve as an important reference for researchers working on any aspect of lamprey biology and fishery managers whose mandate is to control or conserve lamprey populations.
Author : Margaret F. Docker
Publisher : Springer
Page : 577 pages
File Size : 43,9 Mb
Release : 2019-06-03
Category : Science
ISBN : 9789402416848
This book, published in two volumes, provides the most comprehensive review of lamprey biology since Hardisty and Potter’s “The Biology of Lampreys” published more than 30 years ago. This second volume offers a synthesis of topics related to the lamprey gonad (e.g., lamprey sex ratios, sex determination and sex differentiation, sexual maturation, and sex steroids), the artifical propagation of lampreys, post-metamorphic feeding and the evolution of alternative feeding and migratory types, the history and status of sea lamprey control in the Laurentian Great Lakes and Lake Champlain, and an overview of contributions of lamprey developmental studies for understanding vertebrate evolution.
Author : M. W. Hardisty,I. C. Potter
Publisher : Unknown
Page : 492 pages
File Size : 44,6 Mb
Release : 1971
Category : Agnatha
ISBN : UOM:39076006434216
Author : Margaret F. Docker
Publisher : Unknown
Page : 128 pages
File Size : 42,7 Mb
Release : 2015
Category : Lampreys
ISBN : OCLC:884539248
Author : Raymond Moss
Publisher : Nova Science Publishers
Page : 0 pages
File Size : 54,8 Mb
Release : 2019
Category : Lampreys
ISBN : 1536146382
At present, two native lamprey species occur in the Czech Republic, namely the brook lamprey and the Ukrainian lamprey. Lampreys: Evolution, Distribution and Use in Research begins by summarizing the available knowledge about the biology, ecology, distribution, monitoring of occurrence and action plans/recovery programmes for the aforementioned species.Following this, the occurrence of lampreys of the genus Lethenteron in 19 rivers and one lake in Sakhalin Island is documented, and sex differences in adults in respect to morphometric parameters are also presented.Mammalian blood clotting is presented as an extremely complex phenomenon involving more than two dozen proteins interacting in a series of limited proteolytic events partitioned into two calcium-dependent pathways. Some clotting proteins in mammals are present in only trace amounts, and proving their absence or presence in lampreys was not possible until the era of whole genome sequencing. As such, the authors retrace this development from a personal standpoint.
Author : Cory Brant
Publisher : University of Michigan Regional
Page : 215 pages
File Size : 52,7 Mb
Release : 2019
Category : History
ISBN : 9780472131563
A captivating look at an ecological terror and the cooperative effort that brought the Great Lakes back from the brink
Author : M. W. Hardisty
Publisher : Springer
Page : 440 pages
File Size : 54,7 Mb
Release : 2013-11-11
Category : Science
ISBN : 9781489934086
The proliferation of scientific texts and their rapidly escalating costs demands of an author some justification for the production of yet another specialised volume; particularly one that treats of a relatively obscure group of animal- the Cyclostomes-whose significance is little appreciated outside the circle of professional biologists. Yet, within the zoological literature this group of vertebrates has always commanded a degree of attention, quite dispropor tionate to the comparatively small numbers of species involved or their economic importance. This special interest stems in the main from their unique phylogenetic status. Asjawless vertebrates the hagfish and the lamprey are regarded as the sole survivors of a once flourishing group of Palaeozoic vertebrates-the Agnathans-amongst which are numbered the first verte brates to appear in the fossil record. Because of this relationship to the fossil agnathans it was inevitable that past discussion of the phylogenetic signifi cance of the cyclostomes should have been dominated by comparative anatomists and palaeontologists, although in recent years their unique evolutionary position has increasingly attracted the interest of comparative physiologists and students of molecular evolution. Within the last fifteen years both the hagfish and the lamprey have been the subject of separate publications describing in detail many aspects of their morphology, physiology and life cycles (Brodal, A. and Fiinge, R., The Biology ofMyxine, 1963; Hardisty, M.W. and Potter, I.C., The Biology of Lampreys, 1971-72.
Author : Richard Beamish,Alexei Orlov
Publisher : Cambridge Scholars Publishing
Page : 436 pages
File Size : 55,7 Mb
Release : 2016-02-29
Category : Science
ISBN : 9781443889643
Hagfishes and lampreys, both examples of jawless fishes, are elongated, eel-like animals lacking paired fins, and are the only living representatives of ancient creatures that gave rise to current species of fish and, eventually, humans. This volume provides an overview of the current status of knowledge on a variety of topics related to jawless fishes, including their taxonomy, zoogeography, phylogeny, molecular biology, evolution, life history, role in the ecosystem, and fisheries and management of hagfishes and lampreys worldwide. This is the first book dealing exclusively with the various aspects of jawless fish species throughout the world. It brings together a number of papers providing new data on jawless fishes, and offers readers a range of useful information within a single reference, reflecting the growing appreciation for hagfishes and lampreys worldwide.
Author : M. W. Hardisty
Publisher : Unknown
Page : 288 pages
File Size : 53,9 Mb
Release : 2006
Category : Lampreys
ISBN : STANFORD:36105123302148
Although, in the recent past they may have been one of the most numerous and widespread inhabitants of our cleaner rivers, it is their mode of life that explains why they are so seldom seen by a casual observer. The chief characteristic and the one that has contributed most to their survival is that 60-80% of their entire lifespan is spent as a distinctive blind, larval stage known as the ammocoete. Even during the adult stage, this is a wholly nocturnal creature, passing its existence burrowed under the banks of mud along the sides and bottoms of rivers. Lampreys occupy a key position in our evolutionary story and can be grouped with a select number of animal species, commonly referred to as 'living fossils'; among these are the ancient king crab, the coelacanth and the lungfish. All have relatively long evolutionary histories and still show some of the primitive characteristics that are seen in similar and related fossil animals.
Author : Graham C. Kearn
Publisher : Springer Science & Business Media
Page : 445 pages
File Size : 45,5 Mb
Release : 2007-11-05
Category : Science
ISBN : 9781402029264
Many different kinds of animals have adopted a parasitic life style on the skin and gills of marine and freshwater fishes, including protozoans, flatworms, leeches, a range of crustaceans and even some vertebrates (lampreys). There is a parasitic barnacle, described first in the 19th century by Charles Darwin, fish lice that change sex and bivalve molluscs parasitic only when young. This book explores for the first time in one volume, the remarkable biology of these little known and frequently bizarre animals. The following closely interwoven themes are considered for each group of parasites: how they find their hosts, how they attach, feed and reproduce, the damage they inflict and how the host’s immune system retaliates. Based on the British fauna, but extending where appropriate to examples from North America, Australia and elsewhere, the book is essential reading, not just for the professional parasitologist, but also for anyone interested in fishes and in this neglected field of British natural history. With the enquiring naturalist in mind, terms and concepts are explained as they arise, backed up by a glossary, and the text is liberally illustrated. An introductory chapter on fish biology sets the scene and common fish names are used throughout, as well as scientific names.
Author : Phillip Sheridan Parker,Robert Earl Lennon
Publisher : Unknown
Page : 32 pages
File Size : 42,6 Mb
Release : 1956
Category : Electronic
ISBN : OCLC:835685442
Author : M. W. Hardisty,I. C. Potter
Publisher : Unknown
Page : 328 pages
File Size : 48,9 Mb
Release : 1971
Category : Agnatha
ISBN : UCSD:31822000582932
Author : Ian Cæsar Potter
Publisher : Unknown
Page : 128 pages
File Size : 46,9 Mb
Release : 1968
Category : Lampreys
ISBN : OCLC:216712463