@article{fdi:010073955, title = {{M}orphological and genetic divergence between {M}editerranean and {C}aribbean populations of {M}adracis pharensis ({H}eller 1868) ({S}cleractinia, {P}ocilloporidae) : too much for one species ?}, author = {{B}enzoni, {F}rancesca and {A}rrigoni, {R}. and {B}erumen, {M}. {L}. and {T}aviani, {M}. and {B}ongaerts, {P}. and {F}rade, {P}. {R}.}, editor = {}, language = {{ENG}}, abstract = {{T}he colonial stony coral genus {M}adracis is cosmopolitan, lives in shallow and deep water habitats, and includes zooxanthellate, azooxanthellate and facultative symbiotic species. {O}ne of its species, {M}adracis pharensis, has been recorded from the {M}editerranean and {E}ast {A}tlantic, where it forms small knobby and facultative zooxanthellate colonies (also named {M}. pharensis f. pharensis), and from the tropical {C}aribbean, where it also occurs in a massive and zooxanthellate form (named {M}. pharensis f. luciphila by some). {T}hese two forms have been previously found to host different {S}ymbiodinium species. {I}n this study, species boundaries and phylogenetic relationships between these two {M}adracis pharensis forms (from the {M}editerranean {S}ea and the {C}aribbean), {M}. senaria, and the {I}ndo-west {P}acific {M}. kirbyi were analyzed through an integrated systematics approach, including corallite dimensions, micromorphology and two molecular markers ({ITS} and {ATP}8). {S}ignificant genetic and morphological differences were found between all the examined {M}adracis species, and between {M}. pharensis from the {M}editerranean {S}ea and {M}. pharensis f. luciphila from the {C}aribbean in particular. {B}ased on these results, the latter does not represent a zooxanthellate ecomorph of the former but a different species. {I}ts identity remains to be ascertained and its relationship with the {C}aribbean {M}. decactis, with which it bears morphologic resemblance, must be investigated in further studies. {O}verall, the presence of cryptic {M}adracis species in the {E}aster and {C}entral {A}tlantic {O}cean remains to be evaluated.}, keywords = {{M}adracis senaria ; {M}adracis kirbyi ; r{DNA} ; {ATP}8 ; corallite diameter ; {MEDITERRANEE} ; {CARAIBE} ; {ANTILLES} {NEERLANDAISES} ; {CURACAO} ; {OCEAN} {INDIEN} ; {PACIFIQUE} {EST}}, booktitle = {}, journal = {{Z}ootaxa}, volume = {4471}, numero = {3}, pages = {473--492}, ISSN = {1175-5326}, year = {2018}, DOI = {10.11646/zootaxa.4471.3.3}, URL = {https://www.documentation.ird.fr/hor/fdi:010073955}, }