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"The tiny flowers of the reef," Zoanthids (also referred to as colonial anenomies, button polyps and commonly as "zoos" or "zoas") are among the hardiest of all reef aquarium species, but nonetheless remain a constant favorite of reef aquarium hobbyists for their wide range of colors as well as their propensity to grow into thick colonies that provide a lush and vibrant coverage for live rock (and sometimes even aquarium glass or unsightly reef tank hardware such as flow devices including powerheads). For a long time, the only zoanthids that were available to keepers of reef tanks were drab brown and common green- but thanks for advances in aquaculture (captive rearing) and propagation techniques (fragging), zoanthids are now available in color varieties including wild electric blues, stunning neon oranges, peaceful pastel purples and alarming deep