The invention relates to a module (14) for storing and transporting live products, in particular sea products, characterised in that it includes a box-shaped unit which is made from a light material, which has a length L and a width l defining a front surface FF and a rear surface RF, as well as a thickness E, and which is provided with at least one recess (18), the size of which is equal to the overall length of a crustacean to be inserted, said recess (18) opening onto both the front surface FF and the rear surface RF. The invention also relates to the complete device, including a plurality of juxtaposed modules, and a system for treating water with an adapted composition.
