Marine Clams • Tridacnidae (Tridacnid Clams) Crabs, Lobsters and Shrimps • Diogenidae • Hippolytidae • Majidae (Spider Crabs) • Odontodactylidae • Palaemonidae • Palinuridae • Stenopodidae (Coral Shrimps) • Trapeziidae • Xanthidae (Stone Crabs) Dugongs • Dugongidae (Dugongs) Fishes • Acanthuridae (Surgeonfishes, Tangs, and Unicornfishes) • Antennariidae (Frogfishes) • Apogonidae (Cardinalfishes) • Aulostomidae (Trumpetfishes) • Balistidae (Triggerfishes) • Blenniidae (Blennies) • Bothidae (Lefteye Flounders) • Callionymidae (Dragonets) • Carangidae (Jacks and Pampanos) • Chaetodontidae (Butterflyfishes) • Cirrhitidae (Hawkfishes) • Congridae • Dactylopteridae (Flying Gurnards) • Diodontidae (Porcupinefishes and Burrfishes) • Ephippidae (Spadefishes, Batfishes, and Scats) • Gobiidae (Gobies) • Grammatidae (Grammas or Basslets) • Haemulidae (Grunts) • Holocentridae (Squirrelfishes and Soldierfishes) • Labridae (Wrasses) • Lethrinidae (Emperors or Scavengers) • Lutjanidae (Snappers) • Microdesmidae (Wormfishes or Dartfishes) • Monacanthidae (Filefishes) • Mullidae (Goatfishes) • Muraenidae (Moray Eels) • Nemipteridae • Ophichthidae (Snake Eels) • Opistognathidae (Jawfishes) • Ostraciidae (Boxfishes, Cowfish, and Trunkfish) • Pempherididae (Sweepers) • Pentacerotidae (Armorheads) • Plesiopidae (Assessors, Comets, and Roundheads) • Plotosidae (Eeltail Catfishes) • Pomacanthidae (Angelfishes) • Pomacentridae (Damselfishes and Anemonefishes) • Priacanthidae (Bigeyes or Catalutas) • Pseudochromidae (Dottybacks) • Rhinobatidae (Guitarfishes) • Scaridae (Parrotfishes) • Sciaenidae (Drums) • Scorpaenidae (Scorpionfishes or Rockfishes, and Lionfishes) • Serranidae (Sea Basses, Groupers, and Fairy Basslets) • Siganidae (Rabbitfishes) • Solenostomidae (Ghost Pipefishes) • Sphyraenidae (Barracudas) • Synanceiidae (Stonefishes) • Syngnathidae (Seahorses and Pipefishes) • Synodontidae (Lizardfishes) • Tetraodontidae (Puffers) • Tripterygiidae (Triplefins) • Uranoscopidae • Zanclidae (Moorish Idol) Jellyfish • Cassiopeidae • Physaliidae • Ulmaridae Octopus and Squid • Loliginidae • Octopodidae • Sepiidae Sea Anemones • Actiniidae • Aiptasiidae • Stichodactylidae • Thalassianthidae Sea Snakes • Elapidae Sea Turtles • Cheloniidae Sharks and Rays • Carcharhinidae (Requiem Sharks) • Dasyatidae (Stingrays) • Ginglymostomatidae (Nurse Sharks) • Hemiscylliidae (Bamboo Sharks) • Myliobatidae (Eagle and Manta Rays) • Orectolobidae (Carpet or Nurse Sharks) • Sphyrnidae Snails and Slugs • Aeolidiidae • Chromodorididae • Discodorididae • Elysiidae • Facelinidae • Flabellinidae • Goniodorididae • Gymnodorididae • Hexabranchidae • Kentrodorididae • Ovulidae • Phyllidiidae • Polyceratidae • Tergipedidae • Tritoniidae Soft Corals • Anthothelidae Sponges • Clathriidae • Phorbasidae Starfish and Sea Urchins • Acanthasteridae • Diadematidae • Goniasteridae • Ophiodermatidae • Ophiodiasteridae • Ophiothricidae • Synaptidae Stony Corals • Caryophylliidae • Dendrophylliidae • Faviidae (Brain Corals) • Fungiidae (Mushroom Corals) • Mussidae • Trachyphylliidae (Open Brain Corals) Tube Anemones • Cerianthidae Whales and Dolphins • Delphinidae (Dolphins, Killer Whales, and Pilot Whales) Worms • Amphinomidae • Polynoidae • Pseudoceritidae • Sabellidae • Serpulidae (Fan Worms)