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A medieval view of fish processing, by Peter Brueghel the Elder (1556). There is evidence humans have been processing fish since the early Holocene. For example, fishbones (c. 8140–7550 BP, uncalibrated) at Atlit-Yam, a submerged Neolithic site off Israel, have been analysed. What emerged was a picture of "a pile of fish gutted and processed ...
Fish preservation is the method of increasing the shelf life of fish and other fish products by applying the principles of different branches of science in order to keep the fish, after it has landed, in a condition wholesome and fit for human consumption. [1][2] Ancient methods of preserving fish included drying, salting, pickling and smoking.
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. The vast majority of freshwater fish in the aquarium trade originate from farms in Eastern ...
Fisheries objectives need to be expressed in concrete management rules. In most countries fisheries management rules should be based on the internationally agreed, though non-binding, Code of Conduct for Responsible Fisheries, [8] agreed at a meeting of the U.N.'s Food and Agriculture Organization FAO session in 1995.
The basic concept was first used in the 1920s, and is considered one of the seven basic tools of quality control. [5] It is known as a fishbone diagram because of its shape, similar to the side view of a fish skeleton. Mazda Motors famously used an Ishikawa diagram in the development of the Miata sports car. [6]
[3] [4] [5] The terms 'sardine' and 'pilchard' are not precise, and what is meant depends on the region. The United Kingdom's Sea Fish Industry Authority, for example, classifies sardines as young pilchards. [6] One criterion suggests fish shorter in length than 15 cm (6 in) are sardines, and larger fish are pilchards. [7]
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. [99] Additionally, a growing share of fish oil and fishmeal come from residues (byproducts of fish processing), rather than dedicated whole fish. [ 100 ]
It has 7–9 dorsal finlets and 7–8 anal finlets, dark blue and silvery white in color respectively, matching the part of the fish's body they are on. The caudal fin is also silvery white. [10] [9] At 1.4 m (4 ft 7 in) maximum length, the albacore is the smallest of the bluefin tuna.