Artificial aquatic habitat comprising a base (10) formed from a base element (11), an anchoring element suitable for connecting the base to the seabed (FM), or allowing anchoring to a structural element or flotation, and a plurality of harnessing blocks (20), each harnessing block comprising a foot from which a plurality of strands (22) extend, the strands extending from the foot to the inside of a geometrically widening conical envelope, each harnessing block comprising an assembly portion suitable for engaging with an assembly portion belonging to the base (10), so as to collectively assemble a harnessing block with a base element.
