LOUISE MURRAY / SCIENCE PHOTO LIBRARY LOUISE MURRAY / SCIENCE PHOTO LIBRARY
Tuna farming. Captured Atlantic bluefin tuna (Thunnus thynnus) in a 'fattening pen'. Each pen holds up to 1500 tuna, which are fed 15 tonnes of mackerel and sardines per day in order to fatten them up for the Japanese market. Photographed in Andalucia, Spain.
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