The Puerto Velero Marina, located on the central Caribbean coast of Colombia, is an example of an artificial structure that serves as a substrate for a vulnerable community such as cnidarians (Hydrozoa and Anthozoa). This study provides the first assessment of corals and other cnidarians inhabiting artificial marine habitats in a marginal environment of the Caribbean of Colombia. The Puerto Velero Marina was built into a 7 km2 sand spit generated by sedimentation at the mouth of the Magdalena River. In this study were recorded 14 cnidarian species, among which were found 48 small colonies of scleractinian corals such as Porites, Siderastrea, Phyllangia, and Astrangia. This initial biodiversity assessment of the artificial structure provides a baseline that highlights the importance of further monitoring programs to identify non-native species that could reach this kind of hard structures.
Keywords: Anemones; Artificial substrates; Colonization; Corals; Hydroids; Native species.
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