The species composition, distribution, and abundance ofmedusae collected during aCday plankton survey in a reef system ofthe Mexican Caribbean were studied. Highest mean medusae abundance was observed over the fore-reef zone and in daytime samples. Lowest abundances occurred in the reef lagoon and at dusk. Seventeen species were identified, with Liriope tetraphylla, Aglaura hemistoma,Cubaia aph...
