@SchoolForAnts here's the complete list of Australian WW2 Navy ships lost during the War World 2:-
HMAS Waterhen - Destroyer. Sank off Libya after German air attack. 30/6/1941.
HMAS Sydney - Light Cruiser. Sunk by German auxiliary cruiser KORMORAN off Western Australia. 19/11/1941
HMAS Parramatta - Sloop. Sunk by German submarine off Libya. 27/11/1941
HMAS Mavie - Lugger. Destroyed by Japanese aircraft, Darwin. 19/2/1942
HMAS Kelat - Lighter. Sank as a result of Japanese air attack on 19/2/42 in Darwin. 24/2/1942
HMAS Perth - Light Cruiser. Sunk by Japanese naval forces in Sunda Strait. 1/3/1942
HMAS Karalee - Lighter. Sunk as a result of Japanese air attack on 19/2/42 in Darwin.3/3/1942
HMAS Yarra - Sloop. Sunk by Japanese cruisers south of Java. 4/3/1942
HMAS Vampire - Destroyer. Sunk by Japanese aircraft ESE of Ceylon. 9/4/1942
HMAS Kuttabul - Depot Ship. Sunk by Japanese midget submarine in Sydney Harbour. 1/6/1942
HMAS Nestor - Destroyer. Sunk by depth charges from HMS JAVELIN after bomb damage by German aircraft SW of Crete. 16/6/1942
HMAS Canberra - Heavy Cruiser. Sunk by Japanese cruisers off Savo Island. 9/8/1942
HMAS Armidale - AMS. Sunk by Japanese aircraft off Timor. 1/12/1942
HMAS Patricia Cam - Aux. Minesweeper Sunk by Japanese aircraft off Wessel Island, N.T. 22/1/1943
HMAS Maroubra - Misc. Destroyed by Japanese aircraft, N.T. 10/5/1943
HMAS Wallaroo - AMS. Collided with US Liberty Ship and sank off Fremantle.11/6/1943
HMAS Starfish - NAP Ex CORSAIR. Grounded and wrecked Wollongong. 7/9/1943
HMAS Hulda - Attached to Assault. Destroyed by Japanese, Buna, New Guinea. 21/9/1943
HMAS Terka - Auxiliary Minesweeper. Foundered off Madang New Guinea. 26/3/1944
HMAS Matafele - Store Carrier. Presumed foundered en-route Townsville to Milne Bay New Guinea 20/6/1944
HMAS ML430 - Fairmile B. Sunk by gunfire and burnt to water line before sinking north of Biak, New Guinea.14/8/1944
HMAS Geelong - AMS. Sank after collision with US tanker north of Langemak, New Guinea. 18/10/1944
HMAS Watcher - Misc. Wrecked on Harvey Rocks, NE of Thursday Island. 14/5/1945
HMAS Fauro Chief - Exam. Sunk by collapse of jetty whilst moored alongside. Milne Bay, New Guinea. 16/5/1945
HMAS Lolita - NAP. Wrecked following explosion and fire, Madang, New Guinea. 13/6/1945
HMAS Warrnambool AMS. Sank after striking mine near Cockburn Reef, Old., (classed as war loss). 13/9/1947
HMAS Waterhen - Destroyer. Sank off Libya after German air attack. 30/6/1941.
HMAS Sydney - Light Cruiser. Sunk by German auxiliary cruiser KORMORAN off Western Australia. 19/11/1941
HMAS Parramatta - Sloop. Sunk by German submarine off Libya. 27/11/1941
HMAS Mavie - Lugger. Destroyed by Japanese aircraft, Darwin. 19/2/1942
HMAS Kelat - Lighter. Sank as a result of Japanese air attack on 19/2/42 in Darwin. 24/2/1942
HMAS Perth - Light Cruiser. Sunk by Japanese naval forces in Sunda Strait. 1/3/1942
HMAS Karalee - Lighter. Sunk as a result of Japanese air attack on 19/2/42 in Darwin.3/3/1942
HMAS Yarra - Sloop. Sunk by Japanese cruisers south of Java. 4/3/1942
HMAS Vampire - Destroyer. Sunk by Japanese aircraft ESE of Ceylon. 9/4/1942
HMAS Kuttabul - Depot Ship. Sunk by Japanese midget submarine in Sydney Harbour. 1/6/1942
HMAS Nestor - Destroyer. Sunk by depth charges from HMS JAVELIN after bomb damage by German aircraft SW of Crete. 16/6/1942
HMAS Canberra - Heavy Cruiser. Sunk by Japanese cruisers off Savo Island. 9/8/1942
HMAS Armidale - AMS. Sunk by Japanese aircraft off Timor. 1/12/1942
HMAS Patricia Cam - Aux. Minesweeper Sunk by Japanese aircraft off Wessel Island, N.T. 22/1/1943
HMAS Maroubra - Misc. Destroyed by Japanese aircraft, N.T. 10/5/1943
HMAS Wallaroo - AMS. Collided with US Liberty Ship and sank off Fremantle.11/6/1943
HMAS Starfish - NAP Ex CORSAIR. Grounded and wrecked Wollongong. 7/9/1943
HMAS Hulda - Attached to Assault. Destroyed by Japanese, Buna, New Guinea. 21/9/1943
HMAS Terka - Auxiliary Minesweeper. Foundered off Madang New Guinea. 26/3/1944
HMAS Matafele - Store Carrier. Presumed foundered en-route Townsville to Milne Bay New Guinea 20/6/1944
HMAS ML430 - Fairmile B. Sunk by gunfire and burnt to water line before sinking north of Biak, New Guinea.14/8/1944
HMAS Geelong - AMS. Sank after collision with US tanker north of Langemak, New Guinea. 18/10/1944
HMAS Watcher - Misc. Wrecked on Harvey Rocks, NE of Thursday Island. 14/5/1945
HMAS Fauro Chief - Exam. Sunk by collapse of jetty whilst moored alongside. Milne Bay, New Guinea. 16/5/1945
HMAS Lolita - NAP. Wrecked following explosion and fire, Madang, New Guinea. 13/6/1945
HMAS Warrnambool AMS. Sank after striking mine near Cockburn Reef, Old., (classed as war loss). 13/9/1947