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The live food trade usually uses hook-and-line techniques, but the use of cyanide fishing is also known. [9] Data is limited, but it is thought the catch of live fish was around 200,000 kilograms (440,000 lb) in 1994 and 800,000 kilograms (1,800,000 lb) in 1997, of which 95% was exported, although this period also saw localized declines.
Philippine aquaculture is hampered by the lack of a "trash fish" — a cheap fish that can be used to feed farmed fish — as most fish in the Philippines are directly valuable for human consumption. This increases the cost of farming carnivorous fish. Another common impediment is access to juveniles, for fish, crabs, and shrimp.
In the Philippines, several species of tilapia have been introduced into local waterways and are farmed for food. Tilapia fish pens are a common sight in almost all the major rivers and lakes in the country, including Laguna de Bay, Taal Lake, and Lake Buhi. [citation needed] Locally, tilapia are also known as "pla-pla".
The live fish trade for food sees the use of cyanide fishing to capture fish. [5] It has also had a direct impact on leopard coral grouper populations. This species is slow-growing, and its exploitation has been linked to localized decreases in average body size. [90] The ornamental fish trade also uses cyanide fishing to capture live fish. The ...
Cyanide fishing is a specific method of collecting live fish, mainly for use in aquariums, which involves spraying a sodium cyanide mixture into a habitat in order to incapacitate the fish there. This practice affects not only the target population, it also has negative and damaging effects on many other marine organisms , including coral and ...
The capture of small pelagic fish plateaued after 1975, despite still-increasing fishing effort. [9]: 2 Capture effort for each municipal pelagic fish had already peaked in the 1950s. All fishing in the Lingayen Gulf peaked per unit effort in the late 1970s, after which it declined.
The Philippines' Bureau of Fisheries and Aquatic Resources (Filipino: Kawanihan ng Pangisdaan at Yamang-tubig, [2] abbreviated as BFAR), is an agency of the Philippine government under the Department of Agriculture responsible for the development, improvement, law enforcement, management and conservation of the Philippines' fisheries and aquatic resources.
In 1991 it was the most abundant fish in Laguna de Bay, the largest lake in the Philippines; by 2002 it was the third most abundant. Sedimentation and pollution contribute to the population drop in the lake. [4] The fish is being reared in captive breeding projects, in which it grows well on a diet of prawn food and tubifex worms. [3]