Lost on 04 FEB 1945 with the loss of 81 officers and men on her fourth war patrol.
Based on Japanese records, she was bombed near the southern entrance to the Palawan Passage.
The day before, she reported she survived 3 depth charge attacks. USS BARBEL sent a message reporting that she had been attacked three times by enemy aircraft with depth charges and would transmit further information on the following night.
USS BARBEL was never heard from again.