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substrates in shallow water which is within 3 feet (0.91 m) of the bank. The eggs adhere to rocks or other substrates. The fish may spawn several times in a season, and the timing of spawning is not fully understood. The spawning runs of the peamouth make an impressive natural spectacle as the brightly colored fish move into areas of warm, shallow, flowing water in large numbers. These schools attract many fish-eating predators. The newly hatched fry form schools near the shore, moving into deeper water later in the summer. Each female is normally attended by at least two males and can lay between 5,000 and 30,000 eggs, the amount being dependent on the age and size of the individual fish.
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The peamouth reaches sexual maturity at 3–4 years old, the males normally reaching it faster than the females. Spawning takes place in May and June when the water reaches temperatures of 54–64 °F (12–18 °C), and happens in streams or along the shores of lakes where there are gravel or stony
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The peamouth is a slender fish, with a somewhat compressed body and a subterminal mouth, large eyes, a rounded snout and a forked tail. It has a dark back, contrasting with silvery underparts separated by two dusky, longitudinal stripes. The mouth is reddish at the corners where there are small
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The peamouth can be found in the shallow, weedy zones of lakes and rivers, where it is most common among vegetation. It is usually found near the bed in depths of less than 60 feet (18 m), although in winter they will move to the deeper parts of lakes.
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near
Seattle has an online alert system which informs people when the peamouth appear to spawn in the local streams so that interested people can observe the spectacle, being informed by email whenever the fish are observed.
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Young peamouths feed predominantly on micro-crustaceans which are also preyed on by the adult fish but their diet is expanded to include snails, adult aquatic and terrestrial insects and even the occasional small fish.
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The fish may spend the day in deeper water and move to the shallows to feed at night. They are preyed on by a variety of
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barbels. When breeding the mature males develop a red stripe along the sides on the belly, mouth, gill cover and
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mammals and birds, as well as by larger fish species. They may attain a life span of 8 years
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395:. It is relatively tolerant of salt water and this has allowed it to colonise rivers on
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and other islands off the coast of
British Columbia. It has been introduced to the
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They have been used as a food fish by people the past and are still fished for by
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has 66-84 scales. They can grow to 36 centimetres (14 in) in total length.
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608:. Montana Natural Heritage Program and Montana Fish, Wildlife and Parks
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The peamouth occurs in western North
America from the
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310:, the carps and minnows, that is found in western
524:10.2305/IUCN.UK.2013-1.RLTS.T202261A18234362.en
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314:. It is the only species in its genus.
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461:Hybrids between the peamouth and the
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1069:IUCN Red List least concern species
510:IUCN Red List of Threatened Species
638:. US Geological Survey. 2017-04-27
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475:) have been recorded in Montana.
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343:each have 8 soft rays and the
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636:Nonindigenous Aquatic Species
302:, is a species of freshwater
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469:) and the redside shiner (
1084:Fish of the United States
467:Ptychocheilus oregonensis
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83:Scientific classification
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41:
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573:. November 2017 version.
559:; Pauly, Daniel (eds.).
693:. Lac des Roches Resort
472:Richardsonius balteatus
266:Mylocheilus fraterculus
1089:Fish described in 1836
517:: e.T202261A18234362.
361:North West Territories
322:
1079:Fish of North America
401:Redwood National Park
320:
251:Mylocheilus lateralis
774:Mylocheilus_caurinus
745:Mylocheilus caurinus
667:Mylocheilus caurinus
630:Mylocheilus caurinus
600:Mylocheilus caurinus
563:Mylocheilus caurinus
503:Mylocheilus caurinus
499:NatureServe (2013).
283:Mylocheilus caurinus
209:Mylocheilus caurinus
36:Mylocheilus caurinus
632:(Richardson, 1836)"
606:Montana Field Guide
463:Northern pikeminnow
53:Conservation status
715:. City of Bellevue
713:"Peamouth Minnows"
661:"Species Profile:
323:
246:(Richardson, 1836)
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978:Cyprinus caurinus
948:Open Tree of Life
737:Taxon identifiers
300:northwestern dace
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235:Cyprinus caurinus
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306:from the family
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238:Richardson, 1836
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691:"Peamouth Chub"
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457:Hybridisation
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598:"Peamouth -
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528:. Retrieved
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379:drainage in
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351:Distribution
345:lateral line
333:pectoral fin
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1074:Leuciscinae
896:NatureServe
834:iNaturalist
719:21 November
697:21 November
675:21 November
642:21 November
612:21 November
530:20 November
434:piscivorous
369:Peace River
326:Description
171:Mylocheilus
160:Leuciscinae
156:Subfamily:
18:Mylocheilus
1063:Categories
993:Q106388206
479:References
405:California
365:Nass River
337:dorsal fin
335:base. The
308:Cyprinidae
150:Cyprinidae
440:Human use
259:Pickering
185:Species:
106:Kingdom:
100:Eukaryota
1033:10704118
987:Wikidata
901:2.100544
852:10149043
808:FishBase
760:Q2706124
754:Wikidata
663:Peamouth
570:FishBase
375:and the
367:and the
341:anal fin
339:and the
321:peamouth
288:peamouth
226:Synonyms
146:Family:
120:Chordata
116:Phylum:
110:Animalia
96:Domain:
73:IUCN 3.1
1020:2360916
826:2360913
446:anglers
420:Biology
411:Habitat
389:Montana
359:in the
255:Agassiz
219:, 1836)
177:Agassiz
166:Genus:
136:Order:
126:Class:
71: (
1046:307620
966:281605
953:358395
940:281605
927:795875
878:202261
865:163521
839:106328
385:Oregon
363:, the
286:, the
272:, 1856
270:Girard
261:, 1855
257:&
179:, 1855
1041:WoRMS
1028:IRMNG
1007:33HRN
961:WoRMS
914:86918
885:NAS:
847:IRMNG
800:4545K
787:88725
448:. In
393:Idaho
1015:GBIF
935:OBIS
909:NCBI
888:2349
873:IUCN
860:ITIS
821:GBIF
813:2804
782:BOLD
721:2017
699:2017
677:2017
644:2017
614:2017
532:2021
515:2013
391:and
1002:CoL
795:CoL
769:ADW
519:doi
403:in
371:in
298:or
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
