On 5 July, she entered the coral-fringed bay of Chelukan Bawang, Bali, discovering four landing barges, a 250-ton sea truck, and a 100-ton submarine chaser, all heavily camouflaged.

On 19 July near Sunda Strait, she was patrolling southward along the western shore when her crew sighted a convoy of sea trucks.

She surfaced that night and headed for lifeguard station off Singapore in support of Army B-24 Liberator bomber strikes.

Lizardfish cleared Subic Bay on 31 August and set course for the West Coast, touched Pearl Harbor, and arrived San Francisco on 22 September.

After operations off the California coast, she was decommissioned, and entered the Pacific Reserve Fleet, Mare Island Navy Yard, on 24 June 1946.

Lizardfish remained in reserve until 16 March 1959, when she departed for Pearl Harbor Naval Shipyard for Fleet Snorkel conversion and fitting out.