BINMALEY, PANGASINAN, Philippines — At 2 a.m. of May 16, Joebert Correa, 57, waded into his fishpond here after noticing the “bangus” (milkfish) he was raising were gasping for air following a light rain. “I already turned on the aerator at 12 a.m., but I observed that the fish were not swimming toward the area