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comprise a large part of their diets. Their populations have flourished with the development of the
Columbia River hydropower system. The reservoirs have provided excellent habitat for pikeminnow and given them an advantage over depressed salmon and
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and 15 lb (6.8 kg) in weight. Female northern pikeminnow reach sexual maturity at about six years, males in three to five. A mature female can lay 30,000 eggs annually. Pikeminnow are adept predators, and in the
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Mesa, M. 1994. Effects of multiple acute stressors on the predator avoidance ability and physiology of juvenile chinook salmon. Transactions of the
American Fisheries Society 123:786–793.
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Petersen, J. 1994. Importance of spatial pattern in estimating predation on juvenile salmonids in the
Columbia River. Transactions of the American Fisheries Society 123:924–930.
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While historically northern pikeminnow have not been of interest commercially nor to sport anglers, Washington and Oregon state fisheries agencies and the
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The northern pikeminnow has been shown to consume terrestrial insects, benthic invertebrates, other fish, aquatic insects, and plant matter.
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basin. A good deal of concern has been expressed regarding the impact northern pikeminnow populations may have on salmon in
Columbia and
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on them to reduce predation on scarce salmon stocks. A commercial fishery has developed based on that bounty. The current
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all tackle world record for northern pikeminnow is 7 lb 14 oz (3.6 kg) from the Snake River near
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Northern pikeminnow caught as part of the
Bonneville Power Administration's Sport Reward Program.
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populations. Data has been collected to suggest they can eat up to 650,000 salmon fry annually.
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Northern pikeminnows can live at least 11 years, reaching up to 35 in (89 cm) in
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https://www.columbian.com/news/2018/jul/25/pikeminnow-reward-program-remains-strong/
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478:"Squawfish Squawk Reels In Conundrum Insulting Fish Name Not Easy To Replace"
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were known as squawfish. The renaming effort was undertaken due to the word
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Haggerty, M. 2009. Lake Ozette
Sockeye Limiting Factors Analysis. p 2-33.
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officially changed the common name to pikeminnow, the four species of
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436:. 2018. "Pikeminnow reward program remains strong".
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548:. International Game Fish Association
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461:. September 14, 1998. Archived from
773:IUCN Red List least concern species
459:Indian Country Today (Lakota Times)
366:IUCN Red List of Threatened Species
332:International Game Fish Association
25:
455:"Former squawfish hooks new name"
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324:Bonneville Power Administration
1:
224:) is a large member of the
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254:American Fisheries Society
578:Ptychocheilus oregonensis
530:Pikeminnow Bounty Program
413:Ptychocheilus oregonensis
359:Ptychocheilus oregonensis
266:being an ethnic slur for
221:Ptychocheilus oregonensis
190:Ptychocheilus oregonensis
186:
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81:Scientific classification
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57:
48:
39:
34:
409:; Pauly, Daniel (eds.).
310:Relationship with people
783:Fish described in 1836
542:"Pikeminnow, Northern"
484:. The Spokesman-Review
373:: e.T202359A18233204.
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252:Until 1999, when the
465:on November 2, 2012.
355:NatureServe (2013).
274:Behavior and habitat
35:Northern pikeminnow
423:. May 2019 version.
212:Columbia River dace
208:Northern pikeminnow
172:P. oregonensis
51:Conservation status
444:. Accessed 8/21/18
336:Almota, Washington
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18:Northern squawfish
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570:Taxon identifiers
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16:(Redirected from
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181:Binomial name
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159:Ptychocheilus
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138:Cypriniformes
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550:. Retrieved
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486:. Retrieved
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463:the original
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384:. Retrieved
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289:Snake Rivers
280:total length
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719:NatureServe
667:iNaturalist
386:20 November
242:Snake River
230:Leuciscidae
767:Categories
342:References
234:Nass River
148:Cyprinidae
301:steelhead
216:Squawfish
166:Species:
104:Kingdom:
98:Eukaryota
724:2.104253
685:10570959
641:FishBase
587:Wikidata
546:igfa.org
488:13 April
420:FishBase
285:Columbia
228:family,
144:Family:
118:Chordata
114:Phylum:
108:Animalia
94:Domain:
71:IUCN 3.1
659:5205686
593:Q143844
552:9 April
270:women.
154:Genus:
134:Order:
124:Class:
69: (
750:592844
711:202359
698:163523
672:111224
633:210298
328:bounty
296:smolts
293:salmon
248:Naming
226:minnow
199:, 1836
745:WoRMS
737:71769
680:IRMNG
620:4Q9YN
607:88726
264:squaw
732:NCBI
706:IUCN
693:ITIS
654:GBIF
646:2940
602:BOLD
554:2019
490:2019
388:2021
371:2013
287:and
206:The
628:EoL
615:CoL
375:doi
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396:^
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377::
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218:(
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20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
