Freshwater aquaculture

1.4. Aquaculture production by environment

Unit 1 - Aquaculture

1.4. Aquaculture production by environment (2009)
Freshwater environment dominated the aquaculture production. The following table give the production statistics by environment.

	By Quantity	By Value
Freshwater	60.61	56.0% V
Seawater	31.75%	30.7%
Brackish water	7.60%	13.3%

Species
Carps are the most culture species in the world with 40% of the production by volume. Other major groups cultured include shellfish, tilapias, shrimps and prawns; and salmons. The following table shows percentage contribution by species groups to total world aquaculture production

Sl. No.	Species groups	% contribution
1.	Carps	39.9
2.	Tilapia and other cichlids	5.6
3.	Miscellaneous freshwater fish	9.5
4.	Salmons, trouts, smelts	4.41
5.	Shrimps and prawns	6.27
6.	Oysters	7.7
7.	Marine mussels	3.2
8.	Scallops, Pecten	2.84
9	Clams, cockles, arkshells	7.96
10	Miscellaneous marine mollucs	1.66