IN THIS EDITION: Scientists study how underwater soundscapes could help the Reef. Only 5% of Tasmania's Giant Kelp remains, but AI is here to help. Conservationists save endangered olive perchlet from mass kill in drying NSW lake. Seagrass can stash away dangerous heavy metals. Inspiring action on the Great Barrier Reef. The plight of a mysterious, rare Blue Mountains fish. Underwater grass meadows are being revitalised in one of the South West’s most iconic estuaries.

IN THIS EDITION: Over 50 million new oysters grown thanks to shellfish reef restoration project. Climate warming is predicted to shrink Australian marine habitats by 13%. Citizen science unlocks sea dragon secrets. Mussels used as natural water filters in Swan-Canning estuary. Sydney Harbour's habitat restoration project set to boost marine life. Tasmanian Red handfish breeding doubles their numbers. Mary River restoration helping to save the Great Barrier Reef from sediment. Restoring Tasmania's giant kelp forests is working.

IN THIS EDITION: Return of the macca: Turning the tide in a numbers game for endangered native species. Pygmy mussels look strong again to fill up black bream in WA. World-first program repopulates and releases endangered stocky galaxias fish into natural habitat. Great Barrier Reef remains precariously placed. Barwon's fish habitat restoration a massive boost for anglers. How modern screening innovations can save hundreds of millions of native fish annually. How rainforest fish adapt to habitat in the tropics. How climate and water management affect streamflow seasonality