Developing countries will continue to export high value products (e.g. brackish-water shrimp, marine finfish and pellet-fed tilapia) and import or domestically produce fish of lower value for consumption (e.g. carp and mussels).
As a fish of considerable value hunted for centuries, folk theories abound about why they leap.
Fujian has abundant fishery resources with more than a hundred species of fish of economic value and ranks as a major area of aquatic production in China, encompassing sea and ocean fisheries of some 50,200 square miles (130,000 square km).
Earlier experiences with the collapse of populations of several species of fish of economic value in that region may have prepared fisheries policy-makers from these countries to attempt this negotiation and application of the precautionary principle.
Relative to their economic value,fish were categorized according to their commercial value: (1) fish of high commercial value (HC), (2) fish of moderate commercial value (MC), and (3) fish with no commercial value (NC) and is not utilized as food nor is it sold in the fish market.
Bluefin tunas are large predatory marine fish of great commercial value but little is known of their specific nutritional requirements.
Native to clear, stony streams of central and southern Europe, the bitterling is a silvery fish of little economic value, about 5 to 7.5 centimetres (2 to 3 inches) long.
It is an herbivorous freshwater fish of great commercial value and is extensively cultivated in Eastern Asia for food.
As a result, diseases represent a major economic cost, especially when the impact is on fish of high commercial value [ 2].
It noted that techniques for the cultivation of a number of species, particularly in estuarine and inland waters, had been developed and could be applied to produce food fish of high market value.
