FB-2940 http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 Animalia Chordata Teleostei Cypriniformes Leuciscidae Ptychocheilus Ptychocheilus oregonensis (Richardson, 1836) Jelec oregonský Nordlig squawfisk Columbia River dace Gray sea trout Gray weakfish Northern pikeminnow Seatrout Põhja-hiidteib Sauvagesse du nord 俄勒冈叶唇鱼 俄勒岡葉唇魚 Cyprinus oregonensis Richardson, 1836 Leuciscus oregonensis (Richardson, 1836) Ptychocheilus gracilis Agassiz & Pickering, 1855 Ptychocheilus oregonense (Richardson, 1836) Ptychocheilus rapax Girard, 1856 1991-05-01 2014-11-07 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) Scott, W.B. and E.J. Crossman0 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. 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(Ref. 137577) FB-GeneralDescr-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-04 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=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution Found in lakes, pools and occasionally in runs of small to large rivers. Large individuals occur in deep water (Ref. 5723, 86798). They feed on fishes, terrestrial insects, plankton, aquatic insect larvae, and crustaceans while inshore; and on fishes while offshore (Ref. 1998). Male squawfish, prickly sculpins, and newts prey on the eggs (Ref. 1998). Edible but not well appreciated (1998). Page, L.M. and B.M. Burr 2011 A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798) FB-DiagnosticDescr-2940 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1996-04-19 00:00:00 2014-11-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Uses Mot deep bodied, greatest depth 16.6% (TL), belly gently rounded in mature individuals. Head moderately long, its length 22.8% (TL); eye small in adults, 17.6% of head length, but larger in young 7.6 cm long, when 25.2% of head length; snout long, 33.1% of head length of adults; interorbital width 29.6% of head length; mouth large, extending back to below anterior margin of eye. All fins clear. Pelvic axillary process usually a ridge. Peritoneum present. Nuptial tubercles fine, on head and back, on pectoral and pelvic fins and sometimes on the caudal fin. Dark green or green-brown dorsally becoming silvery white or cream ventrally. The lower fins of the males become yellow or yellow-orange during spawning period (Ref. 1998). Dorsal fin usually with 9 rays; anal fin with 8 rays; 48-72, usually 51-62, scales on back from head to dorsal fin; 64-79, usually 66-75, scales on lateral line; and 12-20 scales above lateral line (Ref. 86798). Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) FB-Morphology-2940 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1996-04-19 00:00:00 2014-11-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy Dorsal soft rays (total): 9 - 10; Analsoft rays: 8 - 9; Vertebrae: 44 - 46 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-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-02 00:00:00 2014-11-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size North America: Pacific drainages from Nass River in British Columbia, Canada to Columbia River in Nevada, USA; Harney River basin in Oregon, USA; Peace River system (Arctic basin) in British Columbia and Alberta, Canada. 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-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-04 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=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats fisheries: commercial; gamefish: yes; aquarium: public aquariums Newman, L. 1995 Census of fish at the Vancouver aquarium, 1994. Unpublished manuscript. (Ref. 9183) Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) Newman, L. 1995 Census of fish at the Vancouver aquarium, 1994. Unpublished manuscript. (Ref. 9183) FB-Migration-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-04 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat 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-2940 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1991-05-01 00:00:00 2025-12-04 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org//Reproduction/FishReproSummary.php?ID=2940&StockCode=3136 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution A female is surrounded by males close to the bottom; eggs and sperm are released at the same time and eggs settle in the gravel. 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-2940 http://purl.org/dc/dcmitype/Text text/html Cristina V. Garilao 1996-04-22 00:00:00 2014-11-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ oregonensis Occurs in lakes, pools and occasionally in runs of small to large rivers. Prefers still waters and swift streams. Young inhabit inshore waters during the summer, moving to deeper waters in the fall. Larger individuals remain offshore. Feeds on fishes, terrestrial insects, plankton, aquatic insect larvae, and crustaceans while inshore; feeds mostly on fishes while offshore (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-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-04 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2940 63.0 cm TL (male/unsexed; (Ref. 5723)); max. published weight: 13.0 kg (Ref. 1998); max. reported age: 11 years (Ref. 72462) 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) Scott, W.B. and E.J. Crossman 1973 Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184: xi+1-966. (Ref. 1998) Altman, P.L. and D.S. Dittmer 1962 Growth, including reproduction and morphological development. Federation of American Societies for Experimental Biology. (Ref. 72462) 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#Threats 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-2940 http://purl.org/dc/dcmitype/Text text/html Rainer Froese 1991-05-01 00:00:00 2025-12-04 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=2940 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat benthopelagic; 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)