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Screen 1b : Estimated numbers of individuals in annual aquaculture production (FAO) of fish species

Year : 2015 Country : Malawi

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This page shows FAO reported fish aquaculture production tonnages (for the year and selected country above) by species category together with the estimated mean weight (EMW) (obtained in fishcount study) and estimated fish numbers. For species categories where no EMW was obtained, a generic mean weight was used to estimate numbers.

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Data for Malawi (2015)
Species Production (t) Estimated
mean
weight
(EMW)
(g) EMWid Generic
Mean
Weight
(g) Estimated
Numbers
(millions)
Tilapia shiranus           1,880 322-1,081 2 - 6

Mozambique tilapia           1,100 500-800 123 1 - 2

Redbreast tilapia             768 322-1,081 1 - 2

Tilapias nei             570 250-800 215 1 - 2

North African catfish             474 500-1,500 132 <1 - 1

Common carp              95 500-2,500 57 <1

Rainbow trout              87 210-5,000 155 <1

Totals by estimate type:

Production (t) Estimated Numbers
(millions)

   Single species with an EMW           1,756 2 - 4

   Multi species with an EMW             570 1 - 2

Totals for species with an EMW           2,326 2 - 6

Totals for species without EMW           2,648 2 - 8

Total fish production           4,974 5 - 14

out of total aquaculture production           4,974

   Source of production tonnage : FAO FishStat "Aquaculture Production (Quantities and values) 1950-2015 (Release date: 7th March 2017)".

Species	Production (t)	Estimated mean weight (EMW) (g)	EMWid	Generic Mean Weight (g)	Estimated Numbers (millions)
Tilapia shiranus	1,880			322-1,081	2 - 6
Mozambique tilapia	1,100	500-800	123		1 - 2
Redbreast tilapia	768			322-1,081	1 - 2
Tilapias nei	570	250-800	215		1 - 2
North African catfish	474	500-1,500	132		<1 - 1
Common carp	95	500-2,500	57		<1
Rainbow trout	87	210-5,000	155		<1

Totals by estimate type:
	Production (t)				Estimated Numbers (millions)
Single species with an EMW	1,756				2 - 4
Multi species with an EMW	570				1 - 2
Totals for species with an EMW	2,326				2 - 6
Totals for species without EMW	2,648				2 - 8
Total fish production	4,974				5 - 14
out of total aquaculture production	4,974