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

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Summary for United States of America (2017)
Total Production (t) Percent of total
fish production % Estimated Numbers
(millions)
All species with an EMW
(Estimated mean weight)         199,363 98 244 - 583

All species without an EMW           3,117 2 Not estimated

Total fish production         202,480 100

out of total aquaculture production         439,670

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Data for United States of America (2017)
Species Production (t)¹ Estimated
mean weight²
(EMW) g EMW id² Estimated
Numbers
(millions)³
Channel catfish         149,881 340-680 45 220 - 441

Rainbow trout          19,845 210-5,000 155 4 - 95

Atlantic salmon          14,685 3,614-8,434 21 2 - 4

Tilapias nei           8,618 250-800 215 11 - 34

Striped bass, hybrid           4,491 816 205 6

Red drum           1,043 1,000 156 1

Sturgeons nei             947 Not estimated⁴

Freshwater fishes nei             709 Not estimated⁴

Barramundi(=Giant seaperch)             700 300-2,000 25 <1 - 2

Marine fishes nei             600 Not estimated⁴

Cyprinids nei             461 Not estimated⁴

Longfin yellowtail             400 Not estimated⁴

American yellow perch             100 227 7 <1

Totals by estimate type:

Production (t) Percent of
total fish
production % Estimated Numbers
(millions)

   Single species with an EMW         190,745 94 233 - 549

   Multi species with an EMW           8,618 4 11 - 34

Totals for species with an EMW         199,363 98 244 - 583

Totals for species without EMW           3,117 2 Not estimated⁴

Total fish production         202,480 100

out of total aquaculture production         439,670

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.

Species	Production (t)¹	Estimated mean weight² (EMW) g	EMW id²	Estimated Numbers (millions)³
Channel catfish	149,881	340-680	45	220 - 441
Rainbow trout	19,845	210-5,000	155	4 - 95
Atlantic salmon	14,685	3,614-8,434	21	2 - 4
Tilapias nei	8,618	250-800	215	11 - 34
Striped bass, hybrid	4,491	816	205	6
Red drum	1,043	1,000	156	1
Sturgeons nei	947			Not estimated⁴
Freshwater fishes nei	709			Not estimated⁴
Barramundi(=Giant seaperch)	700	300-2,000	25	<1 - 2
Marine fishes nei	600			Not estimated⁴
Cyprinids nei	461			Not estimated⁴
Longfin yellowtail	400			Not estimated⁴
American yellow perch	100	227	7	<1

Totals by estimate type:
	Production (t)	Percent of total fish production %		Estimated Numbers (millions)
Single species with an EMW	190,745	94		233 - 549
Multi species with an EMW	8,618	4		11 - 34
Totals for species with an EMW	199,363	98		244 - 583
Totals for species without EMW	3,117	2		Not estimated⁴
Total fish production	202,480	100
out of total aquaculture production	439,670