Dotted across northern Australia are 21 saltwater crocodile farms, home to around 130,000 crocodiles. Their skins are turned into crocodile leather, long sought for use in luxury handbags, belts and other items. Dotted across northern Australia are 21 saltwater crocodile farms, home to around 130,000 crocodiles. Their skins are turned into crocodile leather, long sought for use in luxury handbags, belts and other items. Plants & Animals Other Phys.org – latest science and technology news stories