FB-2528 http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 Animalia Chordata Petromyzonti Petromyzontiformes Petromyzontidae Lampetra Lampetra richardsoni Vladykov & Follett, 1965 Vestamerikansk lampret Lamprey eel Nonparasitic brook lamprey Pacific brook lamprey Pacific coast brook lamprey Western brook lamprey Loodesilm Lamproie de l' ouest Lamproie de Pacifique Lamproie de ruisseau de l'ouest Lamproie de ruisseau occidentale Lamproie occidentale минога ручьевая 西方七鰓鰻 西方七鳃鳗 Lampetra planeri (non Bloch, 1784) Lampetra richardsonii Vladykov & Follett, 1965 Petromyzon branchialis (non Linnaeus, 1758) 1991-05-01 2025-03-21 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) Otsu, T.0 Albacore migration and growth in the North Pacific Ocean as estimates from tag recoveries. Pac. Sci. 14(3):257-266. 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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) Page, L.M. and B.M. Burr0 A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798) 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) 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. 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(Ref. 128868) FB-GeneralDescr-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-02 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat Adults inhabit gravel riffles and runs of clear, cool streams (Ref. 5723). Ammocoetes occur in muddy and sandy backwaters and pools of streams (Ref. 5723). Ammocoetes feed mostly on diatoms but also on other microscopic plant and animal matter (Ref. 1998). Transformed lampreys do not feed at all (Ref. 1998). Nonparasitic (Ref. 5723, 89241). Spawning period in early May in British Columbia as evidenced by spent females being collected on 8 May. Spawning occurs in redds and fertilized eggs collected on 8 May hatched in about 28 days at water temperatures between 10-12 °C. Eggs are greenish. In the state of Washington, in the early 1900s, ammocoetes were sold at $1.50 to $1.75 US per dozen to use as bait for sportfishes (Ref. 89241). 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) FB-DiagnosticDescr-2528 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1995-12-07 00:00:00 2013-11-04 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ John E. Randall General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 Distinguished by the very blunt teeth, the lack of a distinct median tooth on the tongue and the lack of posterial teeth (Ref. 27547). Anterior dorsal fin lower than the posterior, arising well back on body; caudal fin joined to both dorsal and anal fins; anal fin small, represented in males by a low ridge (Ref. 27547). Females with a pointed 2nd dorsal fin and a conspicuous anal lobe (Ref. 1998). Back and sides dark gray to brown, ventral side of body whitish (Ref. 27547); fins translucent olive-green and the caudal fin with diffuse black pigment (Ref. 1998). Oral disc narrower than head; usually 58-67 trunk myomeres; caudal fin with dark spot (Ref. 86798). Other adult diagnostic features: 8.0-15.4 cm TL. Body proportions, as percentage of TL (based on 45 specimens measuring 10.1-15.4 cm TL): prebranchial length, 10.4-14.0; branchial length, 8.3-10.8; trunk length, 44.7-53.1; tail length, 25.2-30.4; eye length, 2.0-2.7; disc length, 4.1-7.9. Urogenital papilla length, as a percentage of branchial length, in 26 spawning males measuring 12.2-15.1 cm TL, 17.6-30.8. Trunk myomeres, 60-67. Dentition: supraoral lamina, 2 unicuspid teeth; infraoral lamina, 7-10, usually 7 unicuspid teeth; 3 endolaterals on each side; endolateral formula, typically 1-2-1 (15 cases), 2-2-1 (12), or 2-2-2 (10), and rarely 2-3-2 (5) and 2-3-1 (1); 2 rows of anterials; first row of anterials, 4-6 unicuspid teeth; exolaterals absent; posterials usually absent; transverse lingual lamina, 5-11 unicuspid teeth, the median one enlarged or only the median enlarged tooth is present; longitudinal lingual laminae cusps too small to count. Velar tentacles, 5-6, with tubercles. Body coloration (preserved), dorsal and lateral aspects grayish, ventral surface whitish. Lateral line neuromasts unpigmented. Extent of caudal fin pigmentation, 75% or more. Fleshy tissues around the lingual laminae unpigmented. Caudal fin shape, rounded or spade-like. Oral fimbriae, 93 (Ref. 89241). Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) FB-Distribution-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-02 00:00:00 2022-02-04 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 North America: Pacific slope from McDonald Lake, southeastern Alaska to Umpqua River drainage in Oregon, USA. 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) FB-Uses-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-02 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology fisheries: of no interest; bait: usually Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) FB-Migration-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-02 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km. Dean, E.M., A.R. Cooper, L. Wang, W. Daniel, S. David, C. Ernzen, K.B. Gido, E Hale, T.J. Haxton, W. Kelso, N. Leonard, C. Lido, J. Margraf, M. Porter, C. Pennock, D. Propst, J. Ross, M.D. Staudinger, G. Whelan and D.M. Infante 2022 The North American Freshwater Migratory Fish Database (NAFMFD): Characterizing the migratory life histories of freshwater fishes of Canada, the United States of Mexico. J. Biogeography 49:1193-1203. (Ref. 126106) FB-LifeCycle-2528 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1991-05-01 00:00:00 2025-12-02 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=2528&StockCode=2724 Nest mostly made by males; may be shared by 6 pairs at a time; occupied by different groups at different times. Male carries out 'sliding-feeling' courtship by sliding up the body of the female with the disc gently touching her body. The male then attaches itself to her head and coils around her. The pair vibrates when the eggs and sperms are released. Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) FB-TrophicStrategy-2528 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1997-03-01 00:00:00 2007-08-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public richardsoni http://rs.tdwg.org/ontology/voc/SPMInfoItems#LifeCycle Inhabits gravel riffles and runs of clear, cool streams (Ref. 5723). Ammocoetes occur in muddy and sandy backwaters and pools of streams (Ref. 5723). Ammocoete feed mostly on diatoms but also on other microscopic plant and animal matter (Ref. 1998). Transformed lampreys do not feed at all and the intestine degenerates. (Ref. 1998). Nonparasitic (Ref. 5723). They exist from transformation to spawning on body reserves (Ref. 1998). Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) FB-Size-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-02 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy 17.3 cm TL (male/unsexed; (Ref. 43939)) Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson 2002 Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-2528 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-02 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2528 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats demersal; potamodromous (Ref. 126106); freshwater Dean, E.M., A.R. Cooper, L. Wang, W. Daniel, S. David, C. Ernzen, K.B. Gido, E Hale, T.J. Haxton, W. Kelso, N. Leonard, C. Lido, J. Margraf, M. Porter, C. Pennock, D. Propst, J. Ross, M.D. Staudinger, G. Whelan and D.M. Infante 2022 The North American Freshwater Migratory Fish Database (NAFMFD): Characterizing the migratory life histories of freshwater fishes of Canada, the United States of Mexico. J. Biogeography 49:1193-1203. (Ref. 126106)