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Endangered marine species - IUCN Red List for divers

127 threatened marine species (Critically Endangered, Endangered, Vulnerable) cataloged in our diver's field guide, with photos, distribution and conservation status from the IUCN Red List.

16 critically endangered, 33 endangered and 78 vulnerable marine species cataloged out of 1505 total.

All threatened species by status

Complete list of every species in our catalog flagged Vulnerable or worse on the IUCN Red List. Click any name for the full species page.

Critically endangered (CR) - 16

  • Staghorn coral (Acropora cervicornis)
  • Elkhorn coral (Acropora palmata)
  • European eel (Anguilla anguilla)
  • Oceanic whitetip shark (Carcharhinus longimanus)
  • Common skate (Dipturus batis)
  • Hawksbill turtle (Eretmochelys imbricata)
  • North Atlantic Right Whale (Eubalaena glacialis)
  • Tope shark (Galeorhinus galeus)
  • Kemp's Ridley Sea Turtle (Lepidochelys kempii)
  • Noble pen shell (Pinna nobilis)
  • Largetooth Sawfish (Pristis pristis)
  • Giant Guitarfish (Rhynchobatus djiddensis)
  • Scalloped hammerhead (Sphyrna lewini)
  • Scoophead shark (Sphyrna media)
  • Great hammerhead (Sphyrna mokarran)
  • Angelshark (Squatina squatina)

Endangered (EN) - 33

  • Spotted eagle ray (Aetobatus narinari)
  • Galapagos Fur Seal (Arctocephalus galapagoensis)
  • Blue whale (Balaenoptera musculus)
  • Dusky shark (Carcharhinus obscurus)
  • Caribbean reef shark (Carcharhinus perezi)
  • Caribbean reef shark (Carcharhinus perezii)
  • Leafscale gulper shark (Centrophorus squamosus)
  • Humphead wrasse (Cheilinus undulatus)
  • Green sea turtle (Chelonia mydas)
  • Mediterranean stony coral (Cladocora caespitosa)
  • Red coral (Corallium rubrum)
  • Roundnose grenadier (Coryphaenoides rupestris)
  • Nassau grouper (Epinephelus striatus)
  • White teatfish (Holothuria fuscogilva)
  • Shortfin mako (Isurus oxyrinchus)
  • Giant oceanic manta ray (Manta birostris)
  • Giant manta ray (Mobula birostris)
  • Giant devil ray (Mobula mobular)
  • Sicklefin devil ray (Mobula tarapacana)
  • Bentfin devil ray (Mobula thurstoni)
  • Mediterranean monk seal (Monachus monachus)
  • Common smooth-hound (Mustelus mustelus)
  • Sand Tiger Shark (Odontaspis taurus)
  • Boulder star coral (Orbicella annularis)
  • Common seabream (Pagrus pagrus)
  • Banggai cardinalfish (Pterapogon kauderni)
  • Whale shark (Rhincodon typus)
  • Beaked redfish (Sebastes mentella)
  • Golden redfish (Sebastes norvegicus)
  • Zebra shark (Stegostoma tigrinum)
  • Prickly redfish (Thelenota ananas)
  • Giant clam (Tridacna gigas)
  • Galapagos Sea Lion (Zalophus wollebaeki)

Vulnerable (VU) - 78

  • Ocellated eagle ray (Aetobatus ocellatus)
  • Pelagic Thresher Shark (Alopias pelagicus)
  • Bigeye Thresher Shark (Alopias superciliosus)
  • Common thresher (Alopias vulpinus)
  • Starry ray (Amblyraja radiata)
  • Galapagos Marine Iguana (Amblyrhynchus cristatus)
  • Fin whale (Balaenoptera physalus)
  • Spinytail skate (Bathyraja spinicauda)
  • Roughtail stingray (Bathytoshia centroura)
  • Coconut Crab (Birgus latro)
  • Bumphead parrotfish (Bolbometopon muricatum)
  • Silvertip shark (Carcharhinus albimarginatus)
  • Grey Reef Shark (Carcharhinus amblyrhynchos)
  • Spinner Shark (Carcharhinus brevipinna)
  • Silky shark (Carcharhinus falciformis)
  • Bull Shark (Carcharhinus leucas)
  • Blacktip shark (Carcharhinus limbatus)
  • Blacktip reef shark (Carcharhinus melanopterus)
  • Great white shark (Carcharodon carcharias)
  • Loggerhead turtle (Caretta caretta)
  • Elegance coral (Catalaphyllia jardinei)
  • Humpback grouper (Cromileptes altivelis)
  • Short-fruited Cystoseira (Cystoseira brachycarpa)
  • Common dentex (Dentex dentex)
  • Leatherback turtle (Dermochelys coriacea)
  • Elliptical star coral (Dichocoenia stokesii)
  • Dugong (Dugong dugon)
  • Atlantic goliath grouper (Epinephelus itajara)
  • Dusky grouper (Epinephelus marginatus)
  • Velvet belly lanternshark (Etmopterus spinax)
  • Atlantic cod (Gadus morhua)
  • European abalone (Haliotis tuberculata)
  • Blue coral (Heliopora coerulea)
  • Bluntnose Sixgill Shark (Hexanchus griseus)
  • Honeycomb Stingray (Himantura uarnak)
  • Short-snouted seahorse (Hippocampus hippocampus)
  • Pacific seahorse (Hippocampus ingens)
  • Jayakar's Seahorse (Hippocampus jayakari)
  • Hippopus Clam (Hippopus hippopus)
  • Clarion angelfish (Holacanthus clarionensis)
  • Longfin Mako Shark (Isurus paucus)
  • Hogfish (Lachnolaimus maximus)
  • Porbeagle Shark (Lamna nasus)
  • Olive ridley turtle (Lepidochelys olivacea)
  • Atlantic blue marlin (Makaira nigricans)
  • Maze coral (Meandrina meandrites)
  • European hake (Merluccius merluccius)
  • Reef manta ray (Mobula alfredi)
  • Munk's devil ray (Mobula munkiana)
  • Ocean sunfish (Mola mola)
  • Island grouper (Mycteroperca fusca)
  • Tawny nurse shark (Nebrius ferrugineus)
  • Sicklefin lemon shark (Negaprion acutidens)
  • Lemon shark (Negaprion brevirostris)
  • Purple sea star (Ophidiaster ophidianus)
  • European spiny lobster (Palinurus elephas)
  • Red gorgonian (Paramuricea clavata)
  • Sperm whale (Physeter macrocephalus)
  • Yellow-edged Grouper (Plectropomus areolatus)
  • Blue-spotted Grouper (Plectropomus laevis)
  • Saddle Grouper (Plectropomus pessuliferus)
  • Bluefish (Pomatomus saltatrix)
  • Common Guitarfish (Rhinobatos rhinobatos)
  • Rainbow Parrotfish (Scarus guacamaia)
  • Greenland Shark (Somniosus microcephalus)
  • Indo-Pacific Humpback Dolphin (Sousa chinensis)
  • Bonnethead Shark (Sphyrna tiburo)
  • Smooth hammerhead (Sphyrna zygaena)
  • Spiny dogfish (Squalus acanthias)
  • Round stingray (Taeniura grabata)
  • Bluespotted ribbontail ray (Taeniura lymma)
  • Round ribbontail ray (Taeniurops meyeni)
  • White marlin (Tetrapturus albidus)
  • Bigeye tuna (Thunnus obesus)
  • Whitetip reef shark (Triaenodon obesus)
  • Smooth Clam (Tridacna derasa)
  • Lesser valley coral (Turbinaria mesenterina)
  • Yellow scroll coral (Turbinaria reniformis)