<?xml version="1.0" encoding="utf-8" ?><response xmlns="http://www.eol.org/transfer/content/0.1"
	xmlns:xsd="https://www.w3.org/2001/XMLSchema"
	xmlns:dc="https://purl.org/dc/elements/1.1/"
	xmlns:dcterms="https://purl.org/dc/terms/"
	xmlns:geo="https://www.w3.org/2003/01/geo/wgs84_pos#"
	xmlns:dwc="http://rs.tdwg.org/dwc/dwcore/"
	xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.eol.org/transfer/content/0.1 http://services.eol.org/schema/content_0_2.xsd">
<taxon>
	<dc:identifier>FB-2522</dc:identifier>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<dwc:Kingdom>Animalia</dwc:Kingdom>
	<dwc:Phylum>Chordata</dwc:Phylum>
	<dwc:Class>Petromyzonti</dwc:Class>
	<dwc:Order>Petromyzontiformes</dwc:Order>
	<dwc:Family>Petromyzontidae</dwc:Family>
	<dwc:Genus>Occidentis</dwc:Genus>
	<dwc:ScientificName>Occidentis ayresii (Günther, 1870)</dwc:ScientificName>
	<commonName xml:lang='en'>Parasitic river lamprey</commonName>
	<commonName xml:lang='en'>River lamprey</commonName>
	<commonName xml:lang='en'>Western American river lamprey</commonName>
	<commonName xml:lang='en'>Western brook lamprey</commonName>
	<commonName xml:lang='en'>Western lamprey</commonName>
	<commonName xml:lang='en'>Western river lamprey</commonName>
	<commonName xml:lang='et'>Lääneameerika silm</commonName>
	<commonName xml:lang='fr'>Lamproie à queue noir</commonName>
	<commonName xml:lang='fr'>Lamproie de rivière</commonName>
	<commonName xml:lang='fr'>Lamproie de rivière de l'ouest</commonName>
	<commonName xml:lang='ru'>минога американская проходная</commonName>
	<commonName xml:lang='ru'>минога речная</commonName>
	<commonName xml:lang=''>河七鰓鰻</commonName>
	<commonName xml:lang=''>河七鳃鳗</commonName>
	<synonym relationship='synonym'>Ammocoetes cibarius Girard, 1858</synonym>
	<synonym relationship='synonym'>Ammocoetus cibarius Girard, 1858</synonym>
	<synonym relationship='synonym'>Lampetra ayresi (Günther, 1870)</synonym>
	<synonym relationship='synonym'>Lampetra ayresii (Günther, 1870)</synonym>
	<synonym relationship='synonym'>Lampetra cibaria (Girard, 1858)</synonym>
	<synonym relationship='synonym'>Lampetra eyresi (Günther, 1870)</synonym>
	<synonym relationship='misapplied name'>Lampetra fluviatilis (non Linnaeus, 1758)</synonym>
	<synonym relationship='synonym'>Petromyzon ayresii Günther, 1870</synonym>
	<synonym relationship='ambiguous synonym'>Petromyzon plumbeus Ayres, 1855</synonym>
	<dcterms:created>1991-05-01</dcterms:created>
	<dcterms:modified>2016-09-14</dcterms:modified>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=205&amp;speccode=2522'>Breder, C.M. and D.E. Rosen0 Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. 941 p. (Ref. 205)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=276&amp;speccode=2522'>Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott0 A list of common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (12)1-174. (Ref. 276)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=284&amp;speccode=2522'>Jordan, D.S. and B.W. Evermann0 The fishes of North and Middle America: a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the isthmus of Panama. Part I. Bull. U.S. Nat. Mus. 47:1-1240. (Ref. 284)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=294&amp;speccode=2522'>Günther, A.0 Catalogue of the fishes in the British Museum. Volume Eight. Trustees of the British Museum, London. 549 p. (Ref. 294)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=1309&amp;speccode=2522'>Otsu, T.0 Albacore migration and growth in the North Pacific Ocean as estimates from tag recoveries. Pac. Sci. 14(3):257-266. (Ref. 1309)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=1998&amp;speccode=2522'>Scott, W.B. and E.J. Crossman0 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998)</reference>
	<reference isbn='0-395-26873-9' url='http://www.fishbase.org/references/FBRefSummary.php?id=2850&amp;speccode=2522'>Eschmeyer, W.N., E.S. Herald and H. Hammann0 A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=3383&amp;speccode=2522'>Organisation for Economic Co-operation and Development0 Multilingual dictionary of fish and fish products. Fishing News Books, Oxford. (Ref. 3383)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=4567&amp;speccode=2522'>Jordan, D.S., B.W. Evermann and H.W. Clark0 Check list of the fishes and fishlike vertebrates of North and Middle America. Reprint Appendix X to Rep. U.S. Comm. Fish. (1928), 670 p. (Ref. 4567)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=4925&amp;speccode=2522'>Clemens, W.A. and G.V. Wilby0 Fishes of the Pacific coast of Canada. 2nd ed. Fish. Res. Bd. Canada Bull. (68):443 p. (Ref. 4925)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=5723&amp;speccode=2522'>Page, L.M. and B.M. Burr0 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=6876&amp;speccode=2522'>Quast, J.C. and E.L. Hall0 List of fishes of Alaska and adjacent waters with a guide to some of their literature. U.S. Dep. Commer., NOAA Tech. Rep. NMFS SSRF-658, 47 p. (Ref. 6876)</reference>
	<reference isbn='0-660-10459-8' url='http://www.fishbase.org/references/FBRefSummary.php?id=6885&amp;speccode=2522'>Hart, J.L.0 Pacific fishes of Canada. Bull. Fish. Res. Board Can. 180:740 p. (Ref. 6885)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=10018&amp;speccode=2522'>Ayres, W.O.0 Description of &lt;i&gt;Petromyzon plumbeus&lt;/i&gt;. Proc. Calif. Acad. Nat. Sci. 1:28. (Ref. 10018)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=10021&amp;speccode=2522'>Berg, L.S.0 A review of the lampreys of the northern hemisphere. Akad. Nauk SSSR Zool. Mus. Ann. 32:87-116 + 8 pls. Leningrad. (Ref. 10021)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=10311&amp;speccode=2522'>Fritzsch, B. and P. Moller0 A history of electroreception. p. 39-55. In P. Moller (ed.) Electric fishes:history and behavior. Fish and Fisheries Series 17. Chapman &amp; Hall, London. (Ref. 10311)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=10882&amp;speccode=2522'>McPhail, J.D. and R. Carveth0 Field key to the freshwater fishes of British Columbia. Fish Museum, Department of Zoology, U.B.C., Canada, 239 p. (Ref. 10882)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=10937&amp;speccode=2522'>Anonymous0 Fish collection database of the University of British Columbia Fish Museum Fish Museum. University of British Columbia, Vancouver, Canada. (Ref. 10937)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=11382&amp;speccode=2522'>Carl, G.C., W.A. Clemens and C.C. Lindsey0 The fresh-water fishes of British Columbia (3rd edition revised). Victoria (British Columbia, Canada): British Columbia Provincial Museum. Department of Education, Handbook 5: 192 p. (Ref. 11382)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12193&amp;speccode=2522'>Hugg, D.O.0 MAPFISH georeferenced mapping database. Freshwater and estuarine fishes of North America. Life Science Software. Dennis O. and Steven Hugg, 1278 Turkey Point Road, Edgewater, Maryland, USA. (Ref. 12193)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12204&amp;speccode=2522'>Coad, B.W.0 Encyclopedia of Canadian fishes. Canadian Museum of Nature and Canadian Sportfishing Productions Inc. Singapore. (Ref. 12204)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12269&amp;speccode=2522'>Renaud, C.B.0 Conservation status of Northern Hemisphere lampreys (Petromyzontidae). J. Appl. Ichthyol. 13(3):143-148. (Ref. 12269)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12280&amp;speccode=2522'>McGinnis, S.M.0 Freshwater fishes of California. University of California Press, Berkeley. 316 p. (Ref. 12280)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12474&amp;speccode=2522'>Farmer, J.G.0 Biology and physiology of feeding in adult lampreys. Can. J. Fish. Aquat. Sci. 37:1751-1761. (Ref. 12474)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12479&amp;speccode=2522'>Beamish, R.J.0 Adult biology of the river lamprey (&lt;i&gt;Lampetra ayresi&lt;/i&gt;) and the Pacific lamprey (&lt;i&gt;Lampetra tridentata&lt;/i&gt;) from the Pacific coast of Canada. Can. J. Fish. Aquat. Sci. 37:1906-1923. (Ref. 12479)</reference>
	<reference isbn='0-7099-5503-0' url='http://www.fishbase.org/references/FBRefSummary.php?id=26213&amp;speccode=2522'>McDowall, R.M.0 Diadromy in fishes: migrations between freshwater and marine environments. Croom Helm, London. (Ref. 26213)</reference>
	<reference isbn='0-920080-75-8.' url='http://www.fishbase.org/references/FBRefSummary.php?id=27436&amp;speccode=2522'>Lamb, A. and P. Edgell0 Coastal fishes of the Pacific northwest. Madeira Park, (BC, Canada): Harbour Publishing Co. Ltd., 224 p. (Ref. 27436)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=27547&amp;speccode=2522'>Morrow, J.E.0 The freshwater fishes of Alaska. University of. B.C. Animal Resources Ecology Library. 248p. (Ref. 27547)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=28609&amp;speccode=2522'>Jordan, D.S. and E.C. Starks0 The fishes of Puget Sound. Proc. Calif. Acad. Sci. 5:785-855. (Ref. 28609)</reference>
	<reference isbn='957-8596-59-6' url='http://www.fishbase.org/references/FBRefSummary.php?id=31517&amp;speccode=2522'>Wu, H.L., K.-T. Shao and C.F. Lai (eds.)0 Latin-Chinese dictionary of fishes names. The Sueichan Press, Taiwan. 1028 p. (Ref. 31517)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=35508&amp;speccode=2522'>Anonymous0 The icthyological collection of the Zoological Museum Hamburg (ZMH). Division of Ichthyology and Herpetology, Zoological Museum Hamburg (ZMH). (Ref. 35508)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=38732&amp;speccode=2522'>Anonymous0 Fish collection database of the National Museum of Natural History (Smithsonian Institution). Smithsonian Institution-Division of Fishes. (Ref. 38732)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=41414&amp;speccode=2522'>Anonymous0 Fish collection database of the American Museum of Natural History. American Museum of Natural History, Central Park West , NY 10024-5192, USA. (Ref. 41414)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=42125&amp;speccode=2522'>Anonymous0 Fish collection of the Royal British Columbia Museum. Royal British Columbia Museum, 675 Belleville Street, Victoria BC, Canada V8V 1X4. (Ref. 42125)</reference>
	<reference isbn='1-888569-07-7' url='http://www.fishbase.org/references/FBRefSummary.php?id=43939&amp;speccode=2522'>Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson0 Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=48321&amp;speccode=2522'>Ricker, W.E.0 Russian-English dictionary for students of fisheries and aquatic biology. Fisheries Research Board of Canada, Ottawa. (Ref. 48321)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=50838&amp;speccode=2522'>Eschmeyer, W.N. (ed.)0 Catalog of fishes. Updated database version of January 2004. Database dump. Catalog databases as made available to FishBase in January 2004. (Ref. 50838)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=51243&amp;speccode=2522'>Riede, K.0 Global register of migratory species - from global to regional scales. Final Report of the R&amp;D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)</reference>
	<reference isbn='1-888569-61-1' url='http://www.fishbase.org/references/FBRefSummary.php?id=52299&amp;speccode=2522'>Nelson, J.S., E.J. Crossman, H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea and J.D. Williams0 Common and scientific names of fishes from the United States, Canada, and Mexico. American Fisheries Society, Special Publication 29, Bethesda, Maryland. ix, 386 p. + 1 CD. (Ref. 52299)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=52559&amp;speccode=2522'>Coker, G.A., C.B. Portt and C.K. Minns0 Morphological and ecological characteristics of Canadian freshwater fishes. Can. MS Rpt. Fish. Aquat. Sci. 2554:iv+89p. (Ref. 52559)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=58108&amp;speccode=2522'>Chinese Academy of Fishery Sciences0 Chinese aquatic germplasm resources database. http://zzzy.fishinfo.cn (Ref. 58108)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=81264&amp;speccode=2522'>Jelks, H.L., S.J. Walsh, N.M. Burkhead, S. Contreras-Balderas, E. Díaz-Pardo, D.A. Hendrickson, J. Lyons, N.E. Mandrak, F. McCormick, J.S. Nelson, S.P. Platania, B.A. Porter, C.B. Renaud, J.J. Schmitter-Soto, E.B. Taylor and M.L. Warren Jr.0 Conservation status of imperiled North American freshwater and diadromous fishes. Fisheries 33(8):372-407. (Ref. 81264)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=89241&amp;speccode=2522'>Renaud, C.B.0 Lampreys of the world. An annotated and illustrated catalogue of lamprey species known to date. FAO Species Catalogue for Fishery Purposes. No. 5. Rome, FAO. 109 pp. (Ref. 89241)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=89370&amp;speccode=2522'>Lang, N.J., K.J. Roe, C.B. Renaud, H.S. Gill, I.C. Potter, J. Freyhof, A.M. Naseka, P. Cochran, H.E. Pérez, E.M. Habit, B.R. Kuhajda, D.A. Neely, Y.S. Reshetnikov, V.B. Salnikov, M.Th. Stoumboudi and R.L. Mayden0 Novel relationships among lampreys (Petromyzontiformes) revealed by a taxonomically comprehensive molecular data set. Am. Fish. Soc. Symp. 72:41-55. (Ref. 89370)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=90062&amp;speccode=2522'>FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, March 2012. (Ref. 90062)</reference>
	<reference isbn='978-1-55017-471-7' url='http://www.fishbase.org/references/FBRefSummary.php?id=94401&amp;speccode=2522'>Lamb, A. and P. Edgell0 Coastal fishes of the Pacific northwest. Revised and expanded second edition. Madeira Park (BC, Canada): Harbour Publishing Co. Ltd., 335 p. (Ref. 94401)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=95632&amp;speccode=2522'>FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, April 2014. (Ref. 95632)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=96293&amp;speccode=2522'>Page, L.M., H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea, N.E. Mandrak, R.L. Mayden and J.S. Nelson0 Common and scientific names of fishes from the United States, Canada and Mexico, 7th edition. Bethesda, Maryland: American Fisheries Society, Special Publication 34, 384 p. (Ref. 96293)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=96339&amp;speccode=2522'>Love, M.S., C.W. Mecklenburg, T.A. Mecklenburg and L.K. Thorsteinson0 Resource inventory of marine and estuarine fishes of the West Coast and Alaska: A checklist of North Pacific and Arctic Ocean species from Baja California to the Alaska-Yukon border. U.S. Department of the Interior, U.S. Geological Survey, Biological Resources Division, Seattle, Washington, 98104. (Ref. 96339)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=101110&amp;speccode=2522'>FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en, [accessed 13/04/2015]. (Ref. 101110)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=105471&amp;speccode=2522'>eElurikkus0 eElurikkus koondab ühte portaali Eesti eluslooduse andmed. http://elurikkus.ut.ee/ (Ref. 105471)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=112251&amp;speccode=2522'>Taylor, E.B. and K. Tan0 Guide to the freshwater fishes of British Columbia. 1st edit. Vancouver (BC, Canada): Beaty Biodiversity Museum, 18 p. (Ref. 112251)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=112754&amp;speccode=2522'>Pietsch, T.W. and J.W. Orr0 Fishes of the Salish Sea: a compilation and distributional analysis. NOAA Professional Paper NMFS 18: 106 p. (Ref. 112754)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=115257&amp;speccode=2522'>FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from http://www.fao.org/fishery/collection/asfis/en (accessed 08/06/2017). (Ref. 115257)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=118272&amp;speccode=2522'>FAO-FIES0 Aquatic Sciences and Fisheries Information System (ASFIS) species list. Retrieved from htttps://www.fao.org/fishery/collection/asfis/en [accessed May, 2018] (Ref. 118272)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=119194&amp;speccode=2522'>Tonn, W., H. Swanson, C. Paszkowski, J. Hanisch and L. Chavarie0 Northern North America. p. 85-100. In J.F. Craig (ed.).  Freshwater Fisheries Ecology. John Wiley &amp; Sons Ltd. 899p. (Ref. 119194)</reference>
	<reference isbn='1849954984' url='http://www.fishbase.org/references/FBRefSummary.php?id=128868&amp;speccode=2522'>Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. 	Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=130435&amp;speccode=2522'>IUCN0 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ (Ref. 130435)</reference>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=133076&amp;speccode=2522'>Carim, K.J., G. Auringer, M.F. Docker, C.B. Renaud, B.J. Clemens, M.R. Blanchard, C. Parker and M.K. Young0 Species diversity in the new lampreys genus &lt;i&gt;Occidentis&lt;/i&gt;, formerly classified as western North American '&lt;i&gt;Lampetra&lt;/i&gt;'. Plos ONE 19(2):1-21. (Ref. 133076)</reference><dataObject>
	<dc:identifier>FB-pic-2522-57790</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/StillImage</dataType>
	<mimeType>image/gif</mimeType>
	<agent homepage='http://www.fishbase.us/collaborators/CollaboratorSummary.php?id=823' logoURL='' role='photographer'> FAO</agent>
	<dcterms:created>2014-06-15</dcterms:created>
	<dcterms:modified>2014-06-15</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights>This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 Unported License. Image can be freely copied and altered but may be used only for non-commercial purposes. Original author and source must be properly acknowledged</dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat</subject>
	<dc:description>Spawning male, 28-29 April 1954. After Vladykov and Follett (1958). Inset: Oral disc of a female specimen, after a drawing by Paul I. Voevodine. Locality: Sacramento River, Meridian, Sutter County, California, US of America.</dc:description>
	<mediaURL>http://www.fishbase.us/images/species/Laayr_m0.gif</mediaURL>
	<thumbnailURL>http://www.fishbase.us/images/thumbnails/gif/tn_Laayr_m0.gif</thumbnailURL>
	<location>Locality: Sacramento River, Meridian, Sutter County, California, US of America.</location></dataObject><dataObject>
	<dc:identifier>FB-GeneralDescr-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title>Biology</dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription</subject>
	<dc:description>Anadromous. A permanent freshwater resident population is believed to occur in Morrison Creek, British Columbia. In marine waters, they inhabit surface waters. In fresh waters, they occur in lakes, rivers, and creeks.  They leave rivers to enter the sea in late spring or early summer, where they actively feed throughout the summer, and return to the rivers in the fall (Ref. 89241). Parasitic adults are found in estuaries and the ocean, migrating to clear gravel riffles of streams to spawn (Ref. 5723).  Ammocoetes burrow into the mud where they live for an unknown period and migrate to the sea only after transformation (Ref. 1998).  Adults feed by ripping flesh from other fishes (Ref. 2850), ammocoetes feed on microscopic plants and animals just like other members of this family (Ref. 1998).  Parasitism can take place at a length of 16.2 cm TL (Ref. 1998).  Preyed upon by a number of fishes, e.g. lingcod, and birds (Ref. 1998).  In the Sacramento River, California, the spawning season is thought to be from late April into May. Fecundity, 11,398-37,288 eggs/female. Egg diameter, 0.6-0.7 mm (Ref. 89241). Because of its small size, it is unlikely to pose a threat to economically important fish (Ref. 1998).  Utilized fresh or smoked by some cultures (Ref. 27436).</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=5723&amp;speccode=2522'>Page, L.M. and B.M. Burr 1991 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)</reference></dataObject><dataObject>
	<dc:identifier>FB-DiagnosticDescr-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='' logoURL='' role='recorder'>Cristina V. Garilao</agent>
	<dcterms:created>1999-03-02 00:00:00</dcterms:created>
	<dcterms:modified>2013-10-31 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology</subject>
	<dc:description>Distinguished by 2 large teeth on the supraoral bar, a large middle tooth on the tongue, 3 points (rarely 2) on each central lateral tooth plate, and the absence of posterial teeth (Ref. 27547).  Anterior dorsal fin being lower than posterior, the fins separate in nonbreeding individuals but coming into contact at spawning; caudal fin lobes about equal, lower lobe joined to anal fin; anal fin virtually absent in males (Ref. 27547).  Dark brown or brownish gray on sides and back; belly yellowish, silvery around head, gill openings and lower sides; caudal fin has a band of dark pigment inside its margins, symmetrical on each lobe (Ref. 27547).  Other diagnostic features: Adults: 11.4-31.1 cm TL. Body wet weight in individuals 17.5-23.0 cm TL, 20-24 g. Body proportions, as percentage of TL (based on 68 specimens measuring 11.7-31.1 cm TL): prebranchial length, 10.9-14.1; branchial length, 7.8-11.8; trunk length, 45.9-55.9; tail length, 24.4-29.5; eye length, 2.3-4.3; disc length, 4.7-7.2. The urogenital papilla length, as a percentage of branchial length, in two spawning males measuring 17.4-18.7 cm TL, 10.3-12.5. Trunk myomeres, 60-71. Dentition: supraoral lamina, 2 unicuspid teeth; infraoral lamina, 7-10 teeth, the lateralmost often bicuspid, the others unicuspid; 3 endolaterals on each side; endolateral formula, typically 2-3-2, very rarely 2-2-2; 3 rows of anterials; first row of anterials, 4 unicuspid teeth; exolaterals absent; posterials absent; transverse lingual lamina, 12-17 unicuspid teeth, the median one greatly enlarged; longitudinal lingual laminae each with 9-12 unicuspid teeth. Velar tentacles, 3-5, with tubercles. Body coloration in marine waters (live), lead gray on dorsal and upper lateral aspects, silvery on the lateral aspect, and white on the ventral aspect. Body coloration (preserved), dorsal and lateral aspects brownish gray and ventral aspect whitish. Lateral line neuromasts unpigmented. Extent of caudal fin pigmentation, 25% to more than 75%. Caudal fin shape, spade-like or rounded. Oral fimbriae, 88-117. Oral papillae, 12-18 (Ref. 89241).</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=27547&amp;speccode=2522'>Morrow, J.E. 1980 The freshwater fishes of Alaska. University of. B.C. Animal Resources Ecology Library. 248p. (Ref. 27547)</reference></dataObject><dataObject>
	<dc:identifier>FB-Distribution-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-02 00:00:00</dcterms:created>
	<dcterms:modified>2025-11-06 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution</subject>
	<dc:description>Eastern Pacific:  Tee Harbor, Alaska to Sacramento-San Joaquin drainage in California, USA.  Freshwater resident population in Morrison Creek, Vancouver Island, British Columbia (Ref. 12269).</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=5723&amp;speccode=2522'>Page, L.M. and B.M. Burr 1991 A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)</reference></dataObject><dataObject>
	<dc:identifier>FB-Uses-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title>Importance</dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<dc:description>fisheries: minor commercial; price category: unknown; price reliability: </dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='0-920080-75-8.' url='http://www.fishbase.org/references/FBRefSummary.php?id=27436&amp;speccode=2522'>Lamb, A. and P. Edgell 1986 Coastal fishes of the Pacific northwest. Madeira Park, (BC, Canada): Harbour Publishing Co. Ltd., 224 p. (Ref. 27436)</reference></dataObject><dataObject>
	<dc:identifier>FB-Migration-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#LifeCycle</subject>
	<dc:description>Anadromous. Fish that ascend rivers to spawn, as salmon and hilsa do. Sub-division of diadromous.    Migrations should be cyclical and predictable and cover more than 100 km.</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=89241&amp;speccode=2522'>Renaud, C.B. 2011 Lampreys of the world. An annotated and illustrated catalogue of lamprey species known to date. FAO Species Catalogue for Fishery Purposes. No. 5. Rome, FAO. 109 pp. (Ref. 89241)</reference></dataObject><dataObject>
	<dc:identifier>FB-LifeCycle-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='' logoURL='' role='recorder'>Cristina V. Garilao</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=2522&amp;StockCode=2718</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size</subject>
	<dc:description>Probably spawns in gravel, with an activity similar to Lethenteron japonicum (Ref. 1998).</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=1998&amp;speccode=2522'>Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998)</reference></dataObject><dataObject>
	<dc:identifier>FB-TrophicStrategy-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='' logoURL='' role='recorder'>Pascualita Sa-a</agent>
	<dcterms:created>1997-02-27 00:00:00</dcterms:created>
	<dcterms:modified>2013-10-31 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>ayresii</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats</subject>
	<dc:description>Parasitic adults are found in estuaries and the ocean, migrating to clear gravel riffles of streams to spawn (Ref. 5723).  Ammocoetes burrow into the mud where they live for an unknown period and migrate to the sea only after transformation (Ref. 1998).  Adults feed by ripping flesh from other fishes (Ref. 2850), ammocoetes feed on microscopic plants and animals just like other members of this family (Ref. 1998).  Parasitism can take place at a length of 16.2 cm TL (Ref. 1998).  Preyed upon by a number of fishes, e.g. lingcod, and birds (Ref. 1998).</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=12474&amp;speccode=2522'>Farmer, J.G. 1980 Biology and physiology of feeding in adult lampreys. Can. J. Fish. Aquat. Sci. 37:1751-1761. (Ref. 12474)</reference></dataObject><dataObject>
	<dc:identifier>FB-Size-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title>Max. size</dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat</subject>
	<dc:description>28.1 cm TL (male/unsexed; (Ref. 1998)); 31.1 cm TL (female)</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=1998&amp;speccode=2522'>Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998)</reference></dataObject><dataObject>
	<dc:identifier>FB-Threats-2</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='' logoURL='' role='recorder'>Belen Acosta</agent>
	<dcterms:created>1990-10-18 00:00:00</dcterms:created>
	<dcterms:modified>2024-03-07 00:00:00</dcterms:modified>
	<dc:title></dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>John E. Randall</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2</dc:source>
	<subject></subject>
	<dc:description>Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=57073'>IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.</reference></dataObject><dataObject>
	<dc:identifier>FB-Habitat-2522</dc:identifier>
	<dataType>http://purl.org/dc/dcmitype/Text</dataType>
	<mimeType>text/html</mimeType>
	<agent homepage='http://www.fishbase.de/rfroese' logoURL='' role='recorder'>Rainer Froese</agent>
	<dcterms:created>1991-05-01 00:00:00</dcterms:created>
	<dcterms:modified>2016-09-14 00:00:00</dcterms:modified>
	<dc:title>Environment</dc:title>
	<dc:language></dc:language>
	<license>http://creativecommons.org/licenses/by-nc/3.0/</license>
	<dc:rights></dc:rights>
	<dcterms:rightsHolder>WorldFish Center - FishBase</dcterms:rightsHolder>
	<dcterms:bibliographicCitation></dcterms:bibliographicCitation>
	<audience>General public</audience>
	<dc:source>http://www.fishbase.org/summary/SpeciesSummary.php?id=2522</dc:source>
	<subject>http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution</subject>
	<dc:description>demersal; anadromous (Ref. 89241); freshwater; brackish; marine</dc:description>
	<mediaURL></mediaURL>
	<thumbnailURL></thumbnailURL>
	<location></location>
	<reference isbn='' url='http://www.fishbase.org/references/FBRefSummary.php?id=89241&amp;speccode=2522'>Renaud, C.B. 2011 Lampreys of the world. An annotated and illustrated catalogue of lamprey species known to date. FAO Species Catalogue for Fishery Purposes. No. 5. Rome, FAO. 109 pp. (Ref. 89241)</reference></dataObject>
</taxon>
</response>