‘We must protect and we must understand’: using shipwrecks to rebuild fish populations

Research by marine scientists in Thailand is revealing how shipwrecks can benefit the undersea environmentSitting at the bottom of the Gulf of Thailand about 20 metres below the ocean surface is the HTMS Hanhak Sattru. Snappers, yellowtail fusiliers and bannerfish swim through the ship’s corridors,while barnacles, algae and young coral cling to the iron ladders and machine-gun on deck. Nearby is another wreck, the HTMS SuphairinBoth were intentionally submerged by the Royal Thai Navy in 20