The blue crab's colourful claws are pretty - but dangerous: ripping up fishing nets and upsetting ecosystems off Albania's coast, the invasive species is a source of daily anguish for Balkan fishermen struggling to make ends meet. <br /><br />The crab "takes our daily bread and even the fish in the nets... there is nothing to sell," says Besmir Hoxha, 44, pulling one crab's blue pincers off a small fish crushed in his net.
