@article{fdi:010067680, title = {{M}icroboring organisms in living stylasterid corals ({C}nidaria, {H}ydrozoa)}, author = {{P}ica, {D}. and {T}ribollet, {A}line and {G}olubic, {S}. and {B}o, {M}. and {D}i {C}amillo, {C}. {G}. and {B}avestrello, {G}. and {P}uce, {S}.}, editor = {}, language = {{ENG}}, abstract = {{M}icroboring or euendolithic microorganisms, which colonize and penetrate various carbonate substrates, are abundant in coral reef ecosystems and play a major role in reef carbonate dissolution. {A} few studies reported the presence of euendoliths in stylasterid coral skeletons but the biological identity, distribution and abundance of these microorganisms remain largely unknown. {O}bservations of over 100 stylasterid colonies, collected in the {I}ndo-{P}acific area, revealed for the first time that the association between these corals and euendolith organisms appears to be quite common in shallow tropical waters. {T}he most abundant euendolith was identified as a cryptic stage in the development of the rhodophyte {P}orphyra ({C}onchocelis stage). {T}he euendoliths were observed in the skeletons of seven species of three genera (four {S}tylaster, two {D}istichopora and one {L}epidotheca). {T}he presence of euendoliths inside skeletons conferred a particular colour to the studied stylasterid corals. {D}istribution and abundance of microborings varied significantly among stylasterid species and among branches of a single colony and so did the colour of their skeletons. {C}olonization of skeletons and the associated colour distribution were almost uniform in some stylasterids, forming an upward gradually diminishing or sharply limited gradient. {T}his study shows that patterns of euendolith colonization and growth in stylasterid skeletons may depend on the stage of the euendolith development as well as on their environmental requirements such as light exposure.}, keywords = {{C}onchocelis ; coral reefs ; euendoliths ; hydroid ; microborers ; stylasterid ; corals ; {OCEAN} {INDIEN} ; {PACIFIQUE} ; {INDONESIE} ; {ZANZIBAR} ; {FIDJI}}, booktitle = {}, journal = {{M}arine {B}iology {R}esearch}, volume = {12}, numero = {6}, pages = {573--582}, ISSN = {1745-1000}, year = {2016}, DOI = {10.1080/17451000.2016.1169298}, URL = {https://www.documentation.ird.fr/hor/fdi:010067680}, }