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

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Data for Cobia (Rachycentron canadum) in 2017
Country Production (t)¹ Estimated
mean weight²
(EMW) g EMW id² Estimated Numbers
(millions)³
China          43,657 6,000-8,000 55 5 - 7

Taiwan Province of China           2,070 6,000-8,000 55 <1

Panama           1,800 6,000-8,000 55 <1

Viet Nam           1,696 6,000-8,000 55 <1

Ecuador             350 6,000-8,000 55 <1

Singapore               <1 6,000-8,000 55 <1

Total          49,573 6 - 8

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.

Country	Production (t)¹	Estimated mean weight² (EMW) g	EMW id²	Estimated Numbers (millions)³
China	43,657	6,000-8,000	55	5 - 7
Taiwan Province of China	2,070	6,000-8,000	55	<1
Panama	1,800	6,000-8,000	55	<1
Viet Nam	1,696	6,000-8,000	55	<1
Ecuador	350	6,000-8,000	55	<1
Singapore	<1	6,000-8,000	55	<1
Total	49,573			6 - 8