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

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Summary for Costa Rica (2017)
TotalProduction (t)Percent of total
fish production %
Estimated Numbers
(millions)
All species with an EMW
(Estimated mean weight)
         17,10096 20 - 66
All species without an EMW            7004Not estimated
Total fish production         17,800100
out of total aquaculture production         20,820

   

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Data for Costa Rica (2017)
SpeciesProduction (t)1Estimated
mean weight2
(EMW) g
EMW id2Estimated
Numbers
(millions)3
Blue tilapia          1,400500-80034 2 - 3
Nile tilapia         14,800250-800129 19 - 59
Rainbow trout            900210-5,000155 <1 - 4
Spotted rose snapper            700 Not estimated4
 
Totals by estimate type:
Production (t)Percent of
total fish
production %
Estimated Numbers
(millions)
   Single species with an EMW          17,10096 20 - 66
Totals for species with an EMW         17,10096 20 - 66
Totals for species without EMW            7004 Not estimated4
Total fish production         17,800100
out of total aquaculture production         20,820

Estimated by A Mood and P Brooke, Sep 2019


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.