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Platichthys flesus  (Linnaeus, 1758)

European flounder
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Platichthys flesus   AquaMaps   Data sources: GBIF OBIS
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Image of Platichthys flesus (European flounder)
Platichthys flesus
Picture by Stergiou, K.I.

Belgium country information

Common names: Bot, Flet
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/be.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Muus, B.J. and P. Dahlström, 1974
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Pleuronectiformes (Flatfishes) > Pleuronectidae (Righteye flounders) > Pleuronectinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Камбала речная, Flet d'Europe, Platija europea, ... more

Main reference

Cooper, J.A. and F. Chapleau. 1998. (Ref. 30193)
 References | Biblio | Coordinator : Amaoka, Kunio | Collaborators

Size / Weight / Age

Max length : 60.0 cm TL male/unsexed; (Ref. 35388); common length : 50.0 cm TL male/unsexed; (Ref. 30578); max. published weight: 2.9 kg (Ref. 104349); max. reported age: 15 years (Ref. 3944)

Length at first maturity
 Lm 24.1, range 25 - 30 cm

Environment

Marine; freshwater; brackish; demersal; pH range: 7.5 - 8.2; catadromous (Ref. 51243); depth range 1 - 100 m (Ref. 35388)

Climate / Range

Temperate; 5°C - 25°C (Ref. 13614), preferred 11°C (Ref. 107945); 72°N - 30°N, 32°W - 45°E (Ref. 54704)

Distribution

Eastern Atlantic: coastal and brackish waters of western Europe and from the White Sea to the Mediterranean and the Black Sea (Ref. 4705, Ref. 51442). Introduced into the USA and Canada accidentally through transport in ballast water (Ref. 1739). Asia: Iran (Ref. 39702).
 Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 53-62; Anal spines: 0; Anal soft rays: 37 - 46. Flatfish, its disc width less than half its length (Ref. 3137). Small mouth (Ref. 3137, Ref. 51442). Eyes mostly (70%) on right side (Ref. 3137, 51442), 79% of dextrally oriented flounder (n = 1076) in Bos, 2000 (Ref. 57574). Rough skin, especially along the lateral line and the basis of the dorsal and anal fin (Ref. 3137). Lateral line straight, slightly rounded over pectorals (Ref. 3137). Green-olive colored (Ref. 51442), the bottom side white (Ref. 3137). Irregular reddish spots on the eye side (Ref. 35388).

Biology     Glossary (e.g. epibenthic)

Migratory fish, which is most of the year found in estuaries (Ref. 51442). Adults occur on mud and sand bottom in shallow water, at sea and brackish; often entering freshwaters (Ref. 59043). During winter, adults retreat to deeper, warmer waters, where they spawn in spring (Ref. 30193). The growing larvae are moving to the coast (Ref. 51442). Larvae and early juveniles use selective tidal transport to migrate upstream rivers (Ref. 57575) using a range of triggers such as salinity, prey density and water temperature (Ref. 57573, 57574). Juveniles live in shallow coastal waters and estuaries (Ref. 57574), which are also the summer feeding grounds for the adults (Ref. 30193). Juveniles of less than a year old feed on plankton and larvae of insects, juveniles of more than a year and adults feed on benthic fauna (Ref. 51442), including small fishes and invertebrates (Ref. 30193). Nocturnal and burrowing (Ref. 30193). Marketed fresh and frozen; can be steamed, fried, boiled, microwaved and baked (Ref. 9988). Worms and mollusks are excellent baits for line fishing (Ref. 30578).

IUCN Red List Status (Ref. 115185)

  Least Concern (LC) 

Threat to humans

  Harmless



Human uses

Fisheries: commercial; aquaculture: experimental; gamefish: yes

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Summary page | Point data | Common names | Photos

Internet sources

Alien/Invasive Species database | BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(Aquaculture: production; fisheries: production, species profile; publication : search) | FIRMS (Stock assessments) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
 PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
 3.3   ±0.2 se; Based on diet studies.

Resilience (Ref. 69278)
 Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22-0.3; tm=2-5; tmax=15; Fec= 2 million)

Vulnerability (Ref. 59153)
 Moderate vulnerability (42 of 100)
Price category (Ref. 80766)
 Very high