Norwegian firm Aqua Robotics has developed a robotic system for cleaning sea lice from wild salmon cages . The parasites , which leave open wounds in a salmon 's guts , are kept under control by robot brush units , linked by 4 G and Wi - Fi to controlling invasive Halo - Track . The Halo units clean the tanks , sometimes up to four times daily , preventing the build - up of lice . The Norwegian salmon industry , which provides 17 % of the world 's salmon protein , loses € 310 million ( $ 800 m ) in salmon deaths annually .
Norwegian firm Aqua Robotics has developed a robotic system for cleaning sea lice from wild salmon cages. The parasites, which leave open wounds in a salmon's skin, are kept under control by robot brush units, linked by 4G and Wi-Fi to controlling system Halo-Track. The Halo units clean the tanks, sometimes up to four times daily, preventing the build-up of lice. The Norwegian salmon industry, which provides 17% of the world's meat protein, loses €310m ($380m) in salmon deaths annually.