Provided is an integrated multi-trophic aquaculture system with tourism purpose. The system is configured such that: a foothold and a safety rail are installed on an upper surface of a mooring unit of the system to provide a breeding passage for culture management and a watching passage for visitors; an invertebrate farming cage is mounted to a lower side of a fish farming cage; a lower end net in a sunshade shape, being hung on a seabed, is installed at a lower side of the invertebrate farming cage; and a natural fish reef or an artificial fish reef is disposed inside the lower end net, so that various kinds of aquatic organisms can be simultaneously cultivated in one aquafarming cage, feed residues or excrements generated from the fish farming cage can become foods and nutrients for shellfishes, sea cucumbers, and abalones growing in the lower side of the fish farming cage.
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