Crossword clues for Reef creature 6 lettersAnswerClueSPONGEReef creatureCORALSBarrier reef creaturesANEMONESea -- (coral-reef creature)POLYPCoral reef creatureANEMONESea -- (reef creature)BRAINCORALReef-building creature with a grooved surfaceBRAINCORALReef-building creatureEELSlippery creature in a reef