The present invention relates to a turtle ship type artificial reef, and more specifically, to a turtle ship type artificial reef wherein attachment structures for algae are formed above and habitation environments of various kinds of fish and shellfish are formed below, thereby helping easy attachment of algae and providing habitats, hideouts, and spawning grounds of fish and shellfish. The turtle ship type artificial reef comprises: a body part which has habitation space for habitation of fish and shellfish therein, and first and second openings formed in lateral walls to communicate the habitation spaces and outer spaces with each other; a roof part which is formed on the top end of the body part to close an upper portion of the body part and has a plurality of through holes spaced apart from each other; a concave and convex part which protrudes from respective points of the roof part corresponding to the first through holes outward the roof part, and forms a concave and convex structure on the roof part by including a plurality of blocks with second through holes communicating with the first through holes; and attachment inducing parts inserted into the second through holes of the blocks to induce the attachment of marine algae. The turtle ship type artificial reef according to the present invention can prevent a shift phenomenon thereof due to the wave or tide, and induce fast attachment of marine algae while providing habitats for various kinds of fish and shell fish.
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