• Mycale laevis Orangefarbiger Angreiferschwamm
  Orange icing sponge
  Oranje koraalspons
  
• Mycale laxissima Roter Gefäss-Schwamm
  Red vase sponge
  Rode vaasspons
  
• Mycetophyllia spp. Cactus coral
  
• Mycteroperca rubra Comb grouper
  Mérou royal
  
• Mycteroperca tigris Tiger grouper
  Mérou
  
• Myrichthys breviceps Sharptail eel
  Puntstaartaal
  
• Myripristis jacobus Blackbar soldierfish
  Frère jacque
  
• Myrmekioderma gyroderma Convoluted orange sponge
  
• Natantia
• Negaprion brevirostris Zitrononhai
  Lemon shark
  Requin citron
  
• Nemaster grandis Black and white crinoid
  
• Neofibularia nolitangere Touch-me-not-sponge
  
• Neoniphon marianus Longspine squirrelfish
  Soleil
  
• Niphates erecta Lavender rope sponge
  
• Niphates recondita
• Niveria pediculus Coffee bean trivia
  Koffieboontje
  
• Octopus briareus Reef octopus
  
• Octopus vulgaris Common octopus
  
• Oculina diffusa Diffuse ivory bush coral
  
• Ocyurus chrysurus Yellowtail snapper
  Vivaneau queue jaune
  Geelstaart
  
• Oliva reticularis Netted olive
  
• Ophichthus ophis Spotted snake eel
  Serpenton tacheté
  
• Ophioblennius atlanticus Redlip blenny
  
• Ophiocoma echinata Blunt-spined brittle star
  
• Ophioderma appressum Banded-arm brittle star
  
• Ophioderma rubicundum Ruby brittle star
  
• Ophionereis reticulata Reticulated brittle star
  
• Ophiothrix suensonii Suenson's brittle star
  
• Opistognathus aurifrons Yellowhead jawfish
  
• Oreaster reticulatus Bahama starfish
  
• Padina sanctae-crucis Pfauenalge
  Peacock alga
  Padine blanche
  Pauwwier
  
• Paguristes cadenati Weinroter Einsiedler
  Red reef hermit
  Rode heremietkreeft
  
• Paguristes erythrops Red banded hermit
  
• Palinurellus gundlachi Copper lobster
  
• Palinurus argus Caribbean spiny lobster
  Langouste blanche
  
• Palinurus guttatus Spanish lobster
  Langouste tachetèe
  
• Palythoa caribaeorum White encrusting zoanthid
  
• Palythoa grandis Sun zoanthid
  
• Pandaros acanthifolium
• Paranthias furcifer Creole-fish
  Badèche créole
  
• Parazoanthus parasiticus Sponge zoanthid
  
• Parazoanthus puertoricense Maroon sponge zoanthid
  
• Parazoanthus swiftii Golden zoanthid
  
• Pelia mutica Getarnte Gespensterkrabbe
  Humpback spider crab
  Araigneé à éponges
  Sponsspinkrab
  
• Pempheris schomburgki Hatchetfish
  
• Penicillus capitatus Shaving brush alga
  
• Periclimenes pedersoni Pederson cleaning shrimp
  
• Periclimenes yucatanicus Spotted cleaner shrimp
  
• Petrosia weinbergi
• Peyssonnelia rubra Weinrote Krustenalge
  Burgundy crust alga
  Algue encroûtante lie-de-vin
  Wijnrood korstwier