Da Tay Island is in the Truong Sa (Spratly) archipelago, Truong Sa District, Khanh Hoa Province. It is located about 600 km from Vung Tau, 500 km from Nha Trang and 100 km from Truong Sa Lon (Large Spratly) Island. Da Tay is a tidal cay with a fairly large area, about seven nautical miles in length, and four nautical miles in width.
Da Tay is surrounded by underwater rocks and coral, but a part of it has a navigable depth into a lagoon. With this physical layout, Da Tay Island provides a safe anchorage and shelter for boats escaping storms, and has the potential to become an important fishery service center in Vietnam.
Offshore Fishery Exploitation
Since the last century, the Ministry of Aquaculture of Vietnam, now the Ministry of Agriculture and Rural Development, has been investing in the construction of a fishery logistics service center on Da Tay Island, with facilities such as piers, sea walls, greenhouses, storage areas, a medical clinic, and fresh water and fuel supplies for offshore fishing boats, as well as a drainage and waste water treatment system for the logistics zone, in order to promote and to increase the productivity of offshore fishery exploitation. The services are aimed at helping fishermen save the cost of fuel between shore and fishing grounds, to increase the time at sea, to take advantage of favorable conditions, and to increase the efficiency of fishing trips.
A pilot aquaculture (mariculture) project on Da Tay Island has been successfully implemented, raising fish by sunken cage technology. After nine months, silver pomfrets have grown to 0.5 kilo each, and black snappers to nearly 1 kg.
High Export Value
According to leaders of Khanh Hoa Province, aquaculture on Da Tay Island in particular and in Truong Sa Province in general has great potential. In the near future, the Truong Sa Islands will be one of the locations producing fish with high export value. Da Tay will soon be a fishery logistics service and fishery export venue. Wild-caught fish and farm-raised fish will be exported directly from the island without being transported to the mainland.
In the latest study, Vietnamese scientists have identified 18 seafood families with 32 genera and 37 species, including high value fish such as yellow-fin tuna, big-eye tuna, and mackerel in the sea around the Truong Sa Islands.
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