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

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Summary for Turkey (2017)
TotalProduction (t)Percent of total
fish production %
Estimated Numbers
All species with an EMW
(Estimated mean weight)
        268,03598 430 - 869
All species without an EMW          4,9102Not estimated
Total fish production        272,945100
out of total aquaculture production        273,477


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Data for Turkey (2017)
SpeciesProduction (t)1Estimated
mean weight2,5
(EMW) g
EMW id2Estimated
Rainbow trout        106,733257-1,380155 77 - 415
European seabass         99,971400-50072 200 - 250
Gilthead seabream         61,090300-40081 153 - 204
Trouts nei          2,924 Not estimated4
Atlantic bluefin tuna            777 Not estimated4
Meagre            697 Not estimated4
Common carp            233500-2,50057 <1
Shi drum            125 Not estimated4
Bluespotted seabream            122 Not estimated4
Pink dentex            107 Not estimated4
Redbanded seabream             66 Not estimated4
Common dentex             51 Not estimated4
Red porgy             20 Not estimated4
Sturgeons nei             13 Not estimated4
Tilapias nei              8250-800215 <1
Wels(=Som) catfish              8 Not estimated4
Totals by estimate type:
Production (t)Percent of
total fish
production %
Estimated Numbers
   Single species with an EMW         268,02798 430 - 869
   Multi species with an EMW               80<1
Totals for species with an EMW        268,03598 430 - 869
Totals for species without EMW          4,9102 Not estimated4
Total fish production        272,945100
out of total aquaculture production        273,477

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

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.