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FAO study [9] SOFIA 2002 [8] IFPRI study [10] SOFIA 2002 [8] Marine capture 86.8 85.8 86 86 87 Inland capture 8.8 9.2 6 6 6 Total capture 95.6 95.0 93 105 93 116 93 Aquaculture 35.5 45.5 53 74 70 54 83 Total production 131.1 140.5 146 179 163 170 176 Food fish production 96.9 105.6 120 138 130 150 Percentage used for food fish 74% 75% 82% 85% ...
The 2008 global returns for fish farming recorded by the FAO totaled 33.8 million tonnes worth about US$60 billion. [6] Although fish farming for food is the most widespread, another major fish farming industry provides living fish for the aquarium trade.
In 1995, salmon had a FIFO ratio of 7.5 (meaning 7.5 kilograms of wild fish feed were required to produce one kilogram of salmon); by 2006 the ratio had fallen to 4.9. [103] Additionally, a growing share of fish oil and fishmeal come from residues (byproducts of fish processing), rather than dedicated whole fish. [ 104 ]
[2] [10] The area formerly occupied by mangroves can't exceed 50% of the total farm area and shrimp products can only be labeled as organic once the former mangrove area is at least 50% restored within a 5-year period. Organic shrimp farming has many advantages such as the rehabilitation of mangrove forests, the reduction of production costs ...
This includes 16 of the country's 17 largest lakes, all those more than 10 square kilometres (3.9 sq mi) in area except the Sihlsee reservoir in the canton of Schwyz. Lake Geneva is the largest, and 10.2-square-kilometre (3.9 sq mi) Lake Hallwil in the cantons of Aargau and Lucerne the smallest to support a commercial fishery. [27] [ab]
The southern bluefin tuna (Thunnus maccoyii) is a tuna of the family Scombridae found in open southern Hemisphere waters of all the world's oceans mainly between 30°S and 50°S, to nearly 60°S. At up to 2.5 metres (8 ft 2 in) and weighing up to 260 kilograms (570 lb), it is among the larger bony fishes.
The aquaculture of salmonids is the farming and harvesting of salmonid fish under controlled conditions for both commercial and recreational purposes. Salmonids (particularly salmon and rainbow trout), along with carp and tilapia, are the three most important fish groups in aquaculture. [2]
At maturity it is about 1.5 m (4 ft 11 in) long and weighs about 60 kg (130 lb). [3] Individuals that are 2 m (6 ft 7 in) long are regularly seen, and the maximum reported is 3 m (9.8 ft) in length and 450 kg (990 lb) in weight. [6] Elsewhere, a mass of up to 550 kg (1,210 lb) has been reported for the species. [14]