anemone in a bed of sandcastle worms

aggregating and anemone animal annelid anthopleuraelegantissima anthozoa attach attached bed bits body brand builds california camouflage casings castle cnidaria debris each environment glue have its marine marineorganism nature own phragmatopomacalifornica polychaeta provide reef sand sandcastle sandcastleworm sansimeon shell sticky super that they this tidepool tube worm worms