Artificial reefs offer hope with fish numbers, but concern for corals off Darwin SatSaturday 12 updated SatSaturday 12 DecDecember 2020 at 9:51pm Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Watch (ABC Radio Darwin: Conor Byrne) Share Print text only Cancel Bigger boats, better equipment, accurate weather forecasts, social media and climate change are threatening fish populations. But there's hope. Key points: Artificial intelligence is being investigated to monitor sea life living on the reefs Environmentalists want as much focus on coral reefs as artificial reefs in the face of climate change