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Pseudopleuronectes americanus (Walbaum, 1792)

Winter flounder
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Pseudopleuronectes americanus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudopleuronectes americanus (Winter flounder)
Pseudopleuronectes americanus
Picture by Lavan, J.

Canada country information

Common names: Blackback, Carrelet, Dab
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: Robins, C.R. and G.C. Ray, 1986
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from St. George Bay, southwestern Newfoundland (Ref. 85409). Ranges from Labrador southward (Ref. 7251).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ca.html
National Fisheries Authority: http://www.ncr.dfo.ca/home_e.htm
Occurrences: Occurrences Point map
Main Ref: Scott, W.B. and M.G. Scott, 1988
National Database:

Common names from other countries

Limande-plie rouge, Solla roja, Камбала зимняя, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Pleuronectinae
Etymology:   More on author: Walbaum.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; oceanodromous (Ref. 51243); depth range 5 - 143 m (Ref. 5951).   Temperate; 55°N - 31°N, 82°W - 52°W

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

Western Atlantic: Labrador, Canada to Georgia, USA.

Length at first maturity / Size / Weight / Age

Maturity: Lm 26.8  range ? - ? cm
Max length : 64.0 cm TL male/unsexed; (Ref. 7251); max. published weight: 3.6 kg (Ref. 7251); max. reported age: 14 years (Ref. 52686)

Biology     Glossary (e.g. epibenthic)

Adults inhabit soft muddy to moderately hard bottoms (Ref. 5951). Feed predominantly in daytime on organisms living in, on or near the bottom; shrimps, amphipods, crabs, sea urchins and snails (Ref. 12232). Batch spawner (Ref. 51846).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Amaoka, Kunio | Collaborators

Vinnikov, K.A., R.C. Thomson and T.A. Munroe, 2018. Revised classification of the righteye flounders (Teleostei: Pleuronectidae) based on multilocus phylogeny with complete taxon sampling. Molecular phylogenetics and evolution, 125:147-162. (Ref. 122998)

IUCN Red List Status (Ref. 130435)

  Vulnerable (VU) (A2bc); Date assessed: 12 February 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; aquaculture: experimental; gamefish: yes
FAO(Fisheries: production; publication : search) | FishSource | Sea Around Us

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Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | RFE Identification | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 0.7 - 13.1, mean 6.1 (based on 303 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00493 - 0.01404), b=3.08 (2.94 - 3.22), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.1 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.11-0.7(?); tm=2-3; tmax=10).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (62 of 100).
Price category (Ref. 80766):   Very high.