@article{fdi:010063884, title = {{G}ross and microscopic pathology of hard and soft corals in {N}ew {C}aledonia}, author = {{W}ork, {T}. {M}. and {A}eby, {G}. {S}. and {L}asne, {G}. and {T}ribollet, {A}line}, editor = {}, language = {{ENG}}, abstract = {{W}e surveyed the reefs of {G}rande {T}erre, {N}ew {C}aledonia, for coral diseases in 2010 and 2013. {L}esions encountered in hard and soft corals were systematically described at the gross and microscopic level. {W}e sampled paired and normal tissues from 101 and 65 colonies in 2010 and 2013, respectively, comprising 51 species of corals from 27 genera. {T}issue loss was the most common gross lesion sampled (40%) followed by discoloration (28%), growth anomalies (13%), bleaching (10%), and flatworm infestation (1%). {W}hen grouped by gross lesions, the diversity of microscopic lesions as measured by {S}hannon-{W}iener index was highest for tissue loss, followed by discoloration, bleaching, and growth anomaly. {O}ur findings document an extension of the range of certain diseases such as {P}orites trematodiasis and endolithic hypermycosis (dark spots) to the {W}estern {P}acific as well as the presence of a putative cnidarian endosymbiont. {W}e also expand the range of species infected by cell-associated microbial aggregates, and confirm the trend that these aggregates predominate in dominant genera of corals in the {I}ndo-{P}acific. {T}his study highlights the importance of including histopathology as an integral component of baseline coral disease surveys, because a given gross lesion might be associated with multiple potential causative agents. {P}ublished by {E}lsevier {I}nc.}, keywords = {{H}istopathology ; {C}oral ; {D}isease ; {N}ew {C}aledonia ; {E}ndolithic hypermycosis ; {P}orites trematodiasis ; {NOUVELLE} {CALEDONIE} ; {PACIFIQUE}}, booktitle = {}, journal = {{J}ournal of {I}nvertebrate {P}athology}, volume = {120}, numero = {}, pages = {50--58}, ISSN = {0022-2011}, year = {2014}, DOI = {10.1016/j.jip.2014.05.007}, URL = {https://www.documentation.ird.fr/hor/fdi:010063884}, }