We're heading to the Bay of Plenty where a special project is underway to restore marine life.
Huge sediment plumes caused by severe weather events like Cyclone Gabrielle, have destroyed marine habitats across part of the motu. In Tauranga moana - Tauranga Harbour, port dredging has also played a part.
Tua Karalus runs commercial dive company Deep Dive Division - he's part of a team creating artificial reefs, so hundreds of marine creatures have a new place to call home - he thinks of it as social housing for crayfish.
