Fish kill hits 150 tons of tilapia in Taal Lake

/ 11:26 AM May 31, 2019
Fish kill hits 150 tons of tilapia in Taal Lake

Government personnel gather tons of fish affected by fish kill that hit Taal Lake since Wednesday. Contributed photo from DENR Batangas

SAN PEDRO CITY – At least 150 tons of cultured tilapia died after being hit by a fish kill in Taal Lake.

As of Friday, the phenomenon, described by a Department of Environment and Natural Resources executive as both “natural and man-made,” was still affecting fish cages, specifically in Barangay Gulod and Buso-Buso, both in Laurel town in Batangas province.


Batangas environment officer Elmer Bascos said the fish kill was first reported on Wednesday.

“It usually happens during May when the weather triggers a drop in dissolved oxygen,” he said in a phone interview.


Lake aquaculture requires a certain level of dissolved oxygen in the water for the fish to thrive.

The Bureau of Fisheries and Aquatic Resources last week had issued an advisory for cage operators to closely watch their stocks after the agency noticed a drop in the oxygen level.

Bascos, however, said they were also looking into bad aquaculture practices such as “overstocking and overfeeding.”

He said local governments and the Department of Public Works and Highways were still collecting tons of the dead fish off the lake to be buried in a pit on the mainland. (Editor: Leti Z. Boniol)

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TAGS: Fish kill, Local news, Taal Lake, Tilapia
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