Salmon farms are this species' main extinction threat. But have the farms changed – or just kept going?
Scientists last year raised the alarm — twice — about the fate of Tasmania's endangered Maugean skate after its population was found to have declined by 47 per cent. But while the salmon industry maintains that all's well, it has also asked for a shift in goal posts to redefine a 'healthy' harbour to a 'viable' one.