Sea Animals

As the world’s oceans make up 71% of the Earth, they are home to a unique variety of wildlife. Researchers indicate that around 80% of the underwater species are yet to be discovered. Some known species living in the seas and oceans of the world are the blue whale, the great white shark, and the sailfish.

Sea Animals

List of Animals living in the Sea

Mammals

Birds

  • Adelie Penguin
  • Arctic Tern
  • Atlantic Puffin
  • Bald Eagle
  • Blue-footed Booby
  • Brown Pelican
  • Common Murre
  • Emperor Penguin
  • European Herring Gull
  • Galapagos Penguin
  • Gentoo Penguin
  • Humboldt Penguin
  • Jackass Penguin
  • Kelp Gull
  • King Eider
  • King Penguin
  • Laughing Gull
  • Laysan Albatross
  • Least Storm Petrel
  • Little Auk
  • Magnificent Frigatebird
  • Osprey
  • Red-footed Booby
  • Red-legged Cormorant
  • Royal Penguin
  • Southern Giant Petrel
  • Southern Rockhopper Penguin

Reptiles

  • Banded Sea Krait
  • Flatback Turtle
  • Green Turtle
  • Hawksbill Turtle
  • Kemp’s Ridley Turtle
  • Leatherback Turtle
  • Loggerhead Turtle
  • Marine Iguana
  • Olive Ridley Turtle
  • Olive Sea Snake
  • Saltwater Crocodile

Invertebrates

  • Acorn Barnacle
  • American Horseshoe Crab
  • American Lobster
  • American Oyster
  • Antarctic Krill
  • Argentine Shortfin Squid
  • Atlantic Blue Crab
  • Blue Glaucus
  • Blue King Crab
  • Bluebottle
  • Broadclub Cuttlefish
  • Caribbean Reef Octopus
  • Caribbean Spiny Lobster
  • Chambered Nautilus
  • Chilean Basket Star
  • Christmas Tree Worm
  • Cockscomb Cup Coral
  • Coconut Octopus
  • Colorful Hermit Crab
  • Colossal Squid
  • Common Limpet
  • Crown-of-thorns Starfish
  • Cushion Star
  • Decorator Crab
  • Dumbo Octopus
  • Eccentric Sand Dollar
  • Edible Sea Cucumber
  • Elkhorn Coral
  • Felimare Cantabrica
  • Flamboyant Cuttlefish
  • Flameback
  • Flamingo Tongue
  • Fried Egg Jellyfish
  • Geoduck
  • Giant Barrel Sponge
  • Giant Caribbean Sea Anemone
  • Giant Carpet Anemone
  • Giant Clam
  • Giant Kelp
  • Giant Pacific Octopus
  • Giant Pyrosome
  • Giant Triton
  • Grooved Brain Coral
  • Hawaiian Bobtail Squid
  • Humboldt Squid
  • Ivory Bush Coral
  • Lion’s Mane Jellyfish
  • Lobe Coral
  • Lophelia Coral
  • Moon Jelly
  • Pacific Purple Sea Urchin
  • Peacock Mantis Shrimp
  • Portuguese Man o’ War
  • Queen Conch
  • Red King Crab
  • Sea Wasp
  • Southern Blue-Ringed Octopus
  • Spanish Dancer
  • Striped Pyjama Squid
  • Tiger Prawn
  • Vampire Squid
  • White Shrimp
  • Yellow Cup Black Coral
  • Yellow Tube Sponge

Fish

  • Atlantic Bluefin Tuna
  • Atlantic Cod
  • Atlantic Goliath Grouper
  • Atlantic Salmon
  • Atlantic Trumpetfish
  • Atlantic Wolffish
  • Banded Butterflyfish
  • Barndoor Skate
  • Basking Shark
  • Beluga Sturgeon
  • Blacktip Shark
  • Blue Marlin
  • Blue Shark
  • Blue Spotted Ribbontail Ray
  • Blue Tang
  • Bluebanded Goby
  • Bluehead Wrasse
  • Bull Shark
  • California Grunion
  • Chilean Common Hake
  • Chilean Jack Mackerel
  • Chinook Salmon
  • Clown Triggerfish
  • Coelacanth
  • Common Clownfish
  • Common Dolphinfish
  • Common Fangtooth
  • Cookiecutter Shark
  • Cownose Ray
  • Deep Sea Anglerfish
  • Flashlight Fish
  • French Angelfish
  • Frilled Shark
  • Giant Devilray
  • Giant Manta Ray
  • Goblin Shark
  • Great Barracuda
  • Great Hammerhead Shark
  • Great White Shark
  • Green Moray Eel
  • Greenland Shark
  • Guineafowl Puffer
  • John Dory
  • Leafy Seadragon
  • Lemon Shark
  • Lionfish
  • Longfin Mako Shark
  • Longnose Sawshark
  • Longsnout Seahorse
  • Marbled Electric Ray
  • Megamouth Shark
  • Mexican Lookdown
  • Nassau Grouper
  • Northern Red Snapper
  • Nurse Shark
  • Oarfish
  • Ocean Sunfish
  • Oceanic Whitetip Shark
  • Orange Roughy
  • Pacific Angel Shark
  • Pacific Blackdragon
  • Pacific Halibut
  • Pacific Herring
  • Pacific Sardine
  • Patagonian Toothfish
  • Pelagic Thresher Shark
  • Peruvian Anchoveta
  • Pink Salmon
  • Porbeagle Shark
  • Porcupine Ray
  • Pygmy Seahorse
  • Queen Angelfish
  • Queen Parrotfish
  • Red Lionfish
  • Sailfish
  • Sand Tiger Shark
  • Sarcastic Fringehead
  • Scalloped Hammerhead Shark
  • Scarlet Frogfish
  • Scorpionfish
  • Shortfin Mako Shark
  • Shovelnose Guitarfish
  • Skipjack Tuna
  • Slender Snipe Eel
  • Smalltooth Sawfish
  • Smooth Hammerhead Shark
  • Sockeye Salmon
  • Southern Stingray
  • Spinner Shark
  • Spiny Dogfish
  • Spotted Eagle Ray
  • Spotted Moray
  • Spotted Porcupinefish
  • Spotted Ratfish
  • Stonefish
  • Stoplight Loosejaw
  • Summer Flounder
  • Swordfish
  • Tan Bristlemouth
  • Tasselled Wobbegong
  • Threespot Damselfish
  • Tiger Shark
  • Tropical Two-wing Flyingfish
  • Wahoo
  • Whale Shark
  • Whiptail Gulper
  • White-ring Garden Eel
  • Whitetip Reef Shark
  • Yellowfin Tuna
  • Zebra Shark

FAQs

What animals live in the deep sea?

Frilled sharks, goblin sharks, giant squids, etc.

Which is the fastest sea animal?

The sailfish, which reaches speeds of up to 68 mph.

Which marine animal is the biggest?

While the blue shark is the largest, weighing about 400,000 lbs., the lion’s mane jellyfish is the longest at 120 feet.

Are any sea animals endangered?

Several animals living in marine biomes are endangered, including sharks, sea turtles, and whales.

Which animals that live in the sea are the most dangerous?

Lionfish, some jellyfish, sharks, killer whales, stonefish, etc.