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Mylocheilus caurinus  (Richardson, 1836)

Peamouth
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Mylocheilus caurinus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Mylocheilus: Greek, mylo = mill + Greek, cheilos =lip (Ref. 45335);  caurinus: Species name taken after caurus which means northwest wind; named caurinus --- northwestern (Ref. 1998).

Environment / Climate / Range Ecology

Freshwater; brackish; demersal.   Temperate; 59°N - 40°N

Length at first maturity / Size / Weight / Age

Maturity: Lm 24.9  range ? - ? cm
Max length : 36.0 cm TL male/unsexed; (Ref. 5723); common length : 19.8 cm SL male/unsexed; (Ref. 1998); common length :22.5 cm SL (female)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: Nass (Pacific Slope) and Peace River (Arctic basin) systems in British Columbia, Canada south to Columbia River drainage in Oregon and Idaho, USA; also in Vancouver, Canada and other coastal Islands. Sometimes occurs at Spanish Banks (Ref. 4569).

Biology     Glossary (e.g. epibenthic)

Adults form schools in lakes and slow-flowing areas of small and medium rivers. Most common around vegetation. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569). Feed mainly on aquatic insects and its larvae and some terrestrial insects (Ref. 10288); but also on planktonic crustaceans, mollusks, and small fishes (Ref. 1998). Preyed upon by fish-eating birds and mammals (Ref. 1998). Utilized as game fish and as food in the past (Ref. 1998).

Main reference Upload your references | References | Coordinator | Collaborators

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)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: public aquariums
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

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FAO areas
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Ciguatera
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Internet sources

Alien/Invasive Species database | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00427 - 0.02571), b=3.06 (2.84 - 3.28), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.49 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=4).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100) .
Price category (Ref. 80766):   Unknown.