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

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Summary for Namibia (2017)
TotalProduction (t)Percent of total
fish production %
Estimated Numbers
(millions)
All species with an EMW
(Estimated mean weight)
             3055<1
All species without an EMW             2545Not estimated
Total fish production             55100
out of total aquaculture production            600

   

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Data for Namibia (2017)
SpeciesProduction (t)1Estimated
mean weight2
(EMW) g
EMW id2Estimated
Numbers
(millions)3
Nile tilapia             25250-800129 <1
Three spotted tilapia             25 Not estimated4
North African catfish              5500-1,500132 <1
 
Totals by estimate type:
Production (t)Percent of
total fish
production %
Estimated Numbers
(millions)
   Single species with an EMW              3055<1
Totals for species with an EMW             3055<1
Totals for species without EMW             2545 Not estimated4
Total fish production             55100
out of total aquaculture production            600

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.