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Estimated numbers of individuals in aquaculture production (FAO) of fish species (2017)

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Summary for *** EU28 *** (2017)
TotalProduction (t)Percent of total
fish production %
Estimated Numbers
(millions)
All species with an EMW
(Estimated mean weight)
        678,85693 562 - 1,260
All species without an EMW         52,7357Not estimated
Total fish production        731,591100
out of total aquaculture production      1,353,201

   

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Data for *** EU28 *** (2017)
SpeciesProduction (t)1Estimated
mean weight2,5
(EMW) g
EMW id2Estimated
Numbers
(millions)3
Atlantic salmon        209,1803,614-8,43421 25 - 58
Rainbow trout        185,316399-2,140155 87 - 464
Gilthead seabream         95,390300-40081 238 - 318
European seabass         79,350400-50072 159 - 198
Common carp         73,911500-2,50057 30 - 148
Turbot         11,571700-2,000219 6 - 17
North African catfish          8,821500-1,500132 6 - 18
Freshwater fishes nei          8,398 Not estimated4
Atlantic bluefin tuna          6,616 Not estimated4
Bighead carp          6,432500-1,50029 4 - 13
Meagre          6,181 Not estimated4
European eel          5,938 Not estimated4
Silver carp          3,827300-1,500182 3 - 13
Sea trout          3,546 Not estimated4
Sturgeons nei          2,905 Not estimated4
Grass carp(=White amur)          2,420500-2,50087 1 - 5
Chars nei          1,995 Not estimated4
Roach          1,901 Not estimated4
Arctic char          1,581 Not estimated4
Brook trout          1,550 Not estimated4
Senegalese sole          1,418 Not estimated4
Tench          1,398 Not estimated4
Red porgy          1,292 Not estimated4
Wels(=Som) catfish          1,060 Not estimated4
Flathead grey mullet            898500-1,50076 1 - 2
Carassius spp            886150-400535 2 - 6
European whitefish            811 Not estimated4
Salmonoids nei            751 Not estimated4
Salmonids nei            705 Not estimated4
Cyprinids nei            657 Not estimated4
Pike-perch            645 Not estimated4
Goldfish            445 Not estimated4
Northern pike            428 Not estimated4
Trouts nei            400 Not estimated4
Channel catfish            319340-68045 <1 - 1
Shi drum            308 Not estimated4
Black bullhead            300 Not estimated4
Marine fishes nei            291 Not estimated4
Striped bass, hybrid            250816205<1
Siberian sturgeon            181 Not estimated4
Mullets nei            161 Not estimated4
Sharpsnout seabream            157 Not estimated4
Blackspot(=red) seabream            142 Not estimated4
Danube sturgeon(=Osetr)            133 Not estimated4
Finfishes nei            130 Not estimated4
Tilapias nei            113250-800215 <1
Nile tilapia            102250-800129 <1
Largemouth black bass             60680110<1
Freshwater bream             54 Not estimated4
Yellowtail amberjack             50 Not estimated4
Coho(=Silver) salmon             36 Not estimated4
Adriatic sturgeon             28 Not estimated4
European perch             21 Not estimated4
Soles nei             20 Not estimated4
Roaches nei             17 Not estimated4
Porgies, seabreams nei             15 Not estimated4
Huchen             14 Not estimated4
Beluga             11 Not estimated4
Greater amberjack             11 Not estimated4
Rudd             10 Not estimated4
Crucian carp              9150-40062 <1
Bleak              6 Not estimated4
White seabream              6 Not estimated4
Common sole              6 Not estimated4
Black carp              32,000-3,00030 <1
Sterlet sturgeon              3 Not estimated4
Grayling              2 Not estimated4
Starry sturgeon              1 Not estimated4
Common nase              <1 Not estimated4
Chub              <1 Not estimated4
Spotted seabass              <1 Not estimated4
 
Totals by estimate type:
Production (t)Percent of
total fish
production %
Estimated Numbers
(millions)
   Single species with an EMW         678,74393 561 - 1,260
   Multi species with an EMW             1130<1
Totals for species with an EMW        678,85693 562 - 1,260
Totals for species without EMW         52,7357 Not estimated4
Total fish production        731,591100
out of total aquaculture production      1,353,201

Estimated by A Mood and P Brooke, Sep 2019.   Updated Nov 2019 for Rainbow trout, see note 5 below.


Notes
1. Source of production tonnage: FAO FishStat "Aquaculture Production (Quantities and values) 1950-2017 (Release date: 25th March 2019)".
2. Source of estimated mean weights (EMWs) : as for our earlier estimate, see Estimating the Number of Farmed Fish Killed in Global Aquaculture Each Year.
3. The estimated numbers are calculated as the production tonnage divided by estimated mean weight (EMW) where a mean weight has been estimated for the species.
4. The fish numbers for species without an estimated mean weight (EMW) have not been estimated for each individual species or country.
5. For rainbow trout, a weighted estimated mean weight has been used based on the proporation of small rainbow trout (< 1200g) and large rainbow trout (> 1200g) produced in the country, if available. See FEAP data.
(The estimated mean weight (EMW) for rainbow trout is 210-5000g and the EMWs for small and large rainbow trout are therefore respectively 210-1200g and 1200-5000g.)
Global estimated numbers for rainbow trout based on these weighted estimated mean weights total 268-3072 million individuals as compared to 162-3865 million based on the (unweighted) estimated mean weight of 210-5000g.