Sunstar.com (excerpts):  Manila - Some 3.8 tons of dead milkfish (bangus) and tilapia have been recorded from 38 fish cages operated by 18 fish farmers in Barangay Leviste, Balakikong and Berinayan, all in Laurel, Batangas Thursday morning.  The Department of Agriculture's Bureau of Fisheries and Aquatic Resources (BFAR) reported.  BFAR Director Asis Perez meanwhile expressed optimism that the reduction of fish mortality in Taal Lake would continue as a result of interventions undertaken by local government units, the Department of Environment and Natural Resources, Task Force Taal Lake.   The Taal Lake Task force has meanwhile vowed to continue the dismantling of illegal fish cage structures.  One thousand more fish cages have to be removed it said, as only 6,000 structures should be permitted to operate in the designated aquaculture zones of Taal Lake.