HMAS Tobruk was retired last year after 35 years of service, including many humanitarian missions. She was launched in 1980. During her 34-year operational history, Tobruk sailed over 947,000 nautical miles (1,754,000 km; 1,090,000 mi) and was deployed on 26 major operations. HMAS Sydney was laid down and launched in 1980.

Current research has shown that waters off Florida and the Bahamas are important pupping and feeding grounds for several sharks, providing them with the critical habitat required for the conservation of these slow-to-mature ocean animals.

Researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science studied the core home range of 86 bull, great hammerhead and tiger sharks tagged in waters off south Florida and the northern Bahamas.

The proposed Saudi-Egypt Causeway would pass through Tiran Island. The bridge, to be named after King Salman of Saudi Arabia, will facilitate pilgrimages to Mecca and promote local industry. The announcement followed Egypt and Saudi Arabia signing an agreement on maritime border demarcation and marking the islands of Tiran and Sanafir within Saudi regional waters.

A New Zealand parliamentary select committee has raised concerns about the potential human risk from shark cage diving around Stewart Island. The Local Government and Environment Committee published a report considering a petition calling for the Department of Conservation (DOC) to immediately and permanently cease shark diving. The petition was created by Stewart Island resident Helen Cave and signed by 768 people.