A device for storing and transporting aquaculture products , said device including: • a mobile structure , including: - a storage compartment suitable for storing a plurality of containers adapted to receive said aquaculture products ; and - a technical compartment suitable for continuously treating water coming from the storage compartment , and for then causing treated water to flow towards said storage compartment ; • a continuous water flow hydraulic circuit including: - a feed network suitable for putting said technical compartment into hydraulic communication with said storage compartment ; - a return communication network suitable for putting said storage compartment into hydraulic communication with said technical compartment ; and - at least one flow pump for continuously feeding said storage compartment with said treated water; and • at least one ballasting pump for enabling all of the water contained in said storage compartment to be transferred occasionally and temporarily to said technical compartment ; said device being characterized in that said device further includes: • control members for at least causing a ballasting sequence to take place, said ballasting sequence being implemented by simultaneously causing firstly an electrical power supply to said at least one flow pump to be interrupted, and secondly said at least one ballasting pump to be electrically powered; and • a ballasting hydraulic circuit distinct from said continuous water flow hydraulic circuit , said ballasting hydraulic circuit enabling at least a low region of said storage compartment to be put into hydraulic communication with a distal region of said technical compartment . • a mobile structure , including: - a storage compartment suitable for storing a plurality of containers adapted to receive said aquaculture products ; and - a technical compartment suitable for continuously treating water coming from the storage compartment , and for then causing treated water to flow towards said storage compartment ; - a storage compartment suitable for storing a plurality of containers adapted to receive said aquaculture products ; and - a technical compartment suitable for continuously treating water coming from the storage compartment , and for then causing treated water to flow towards said storage compartment ; • a continuous water flow hydraulic circuit including: - a feed network suitable for putting said technical compartment into hydraulic communication with said storage compartment ; - a return communication network suitable for putting said storage compartment into hydraulic communication with said technical compartment ; and - at least one flow pump for continuously feeding said storage compartment with said treated water; and - a feed network suitable for putting said technical compartment into hydraulic communication with said storage compartment ; - a return communication network suitable for putting said storage compartment into hydraulic communication with said technical compartment ; and - at least one flow pump for continuously feeding said storage compartment with said treated water; and • at least one ballasting pump for enabling all of the water contained in said storage compartment to be transferred occasionally and temporarily to said technical compartment ; • control members for at least causing a ballasting sequence to take place, said ballasting sequence being implemented by simultaneously causing firstly an electrical power supply to said at least one flow pump to be interrupted, and secondly said at least one ballasting pump to be electrically powered; and • a ballasting hydraulic circuit distinct from said continuous water flow hydraulic circuit , said ballasting hydraulic circuit enabling at least a low region of said storage compartment to be put into hydraulic communication with a distal region of said technical compartment . <EOS>