The future of a mining ship newbuilding has once again been plunged into uncertainty after Canada's Nautilus Minerals went bankrupt.

The Vancouver-listed company, one of the world’s first sea-floor miners, had been hoping to form a joint venture to take over the ownership of the 68,000-gt MAC Goliath/Nautilus New Era, ordered in 2014 by its partner, Dubai's Marine Assets Corporation (MAC).