Species richness, density and cover of sponge assemblages on temperate reefs off Perth, Western Australia

Lea McQuillan

Sponges were the dominant faunal benthic group, occupying 30 -50% of the limestone reef surface and displaying high diversity (>240 sponge species) on subtidal temperate reefs off Perth, Western Australia. Despite this high diversity there was little variation in composition among the six different