Fish Kill

Topics: Batangas, Taal Lake, Pansipit River Pages: 2 (570 words) Published: March 13, 2013
Fish kill

On January 5, 2008, the Bureau of Fisheries and Aquatic Resources announced that a fish kill at Taal Lake (January 2 to 4) caused the 50 metric tons or ₱ 3.25-million (US$1=₱41) loss of cultured tilapia in the villages of Leviste and Balakilong in Laurel and in Barangay Aya and Barangay Quiling inTalisay. 6,000 maliputo fishes (₱ 230,000) also died at Quiling. Toxic sulfur and high level of hydrogen sulfide in Ambulong while low dissolved oxygen caused the deaths. On May 30, 2011, the Bureau of Fisheries and Aquatic Resources announced a fish kill of 750 metric tons. According to the scientists, the onset of the rainy season brought a sudden drop on the water temperature, which lowered the oxygen levels on the lake.

Because the lake was until recently connected to the sea, it is home to many endemic species that have evolved and adapted to the desalination of the lake's waters. The lake has a freshwater-adapted population of trevally, Caranx ignobilis. These fishes, also found in the Pansipit River, are locally calledmaliputo. Its most popular endemic species is the overharvested Sardinella tawilis, a freshwater sardine. The two other endemic fish species in Taal Lake are the gobies Gnatholepis volcanus and Rhinogobius flavoventris.

MANILA, Philippines – The provincial government of Batangas have begun dismantling illegal fish cages in the Taal lake, said Batangas vice governor Mark Leviste. In an interview with Radyo Inquirer, Leviste said they have dismantled 77 illegal fish cages as of Tuesday, and they expect to dismantle 927 more. He added that some of the fish cages they dismantled were reinforced with steel, which he claimed is more harmful to the lake’s ecosystem. Leviste added that this will be the last batch of illegal fish cages that they will be dismantling to limit fish cages in the Taal Lake to 6,000. Leviste said that when the provincial government of Batangas began dismantling fish...
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