Massive starlet coral 
Maze coral 
Melithaea maldivensis 
Mertens' carpet sea anemone 
Merulina ampliata 
Merulina scabricula 
Micromussa amakusensis 
Milk Leather Coral 
Montipora carinata 
Montipora digitata 
Mountainous star coral 
Mushroom Coral 
Mustard Hill Coral 
Nemanthus nitidus 
Neozoanthus uchina 
Night Anemone 
Noble Staghorn Coral 
Obese Sea Pen 
Orange cup coral 
Orange Gorgonia of Cabo Verde 
Orange Gorgonian 
Orange sun coral 
Orange-striped sea anemone 
Oulastrea crispata