Legend has it that Dan the Diver was born in a giant clam shell many years ago when, along with trochus and tritons, these shells were being collected in large numbers and someone needed to speak up for them. We now know that babies aren't born in shells. His mother had told him stories about a boat called the Northern Star and its days in the trochus fishing industry. It roamed the Reef from north of Cooktown to south of Mackay looking for...