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21 Ocean Species You've Never Seen Before

 While we may be used to seeing land-roaming animals and birds flying in the sky, but there's an entire world of creatures living and thriving below sea level. So far, what's known is that there are over 230,000 sea species, and we are still sure that there are a lot more out there. Each year, new species are discovered. Below, we take a look at 21 sea creatures with a distinctive color and with a body structure that makes them look like something from a cartoon or fantasy movie. 
1. Sea Angel
ocean species
These swimming sea plugs are usually found in large groups. They have been discovered in all kinds of climatic conditions, including polar regions and in equatorial tropic seas. 
2. Elysia chlorotica
ocean species
This small to medium-sized species of sea slug is known as marine opisthobranch gastropod mollusk. These sea slugs are solar-powered, which means they utilize solar energy via chloroplasts from its algal food. 
3. Australian ghost shark
ocean species
This is a kind of cartilaginous fish, which belongs to the Holocephali family. It is found in southern Australia, Tasmania and on the south of East Cape and Kaipara Harbour in New Zealand. And is generally found at depths of 0m to 200m (0ft to 656ft). 
4. Furry sea slugs
ocean species
While they may look cute, what's covering their body is not just a furry coat - they are actually small rods known as caryophyllidia. Their lifespans are short - they just live from a few months to a year.
5. Deep-sea octopus
ocean species
Dozens of specimens of this particular octop were found deep inside over a rocky patch of sea. While geochemists were exploring and collecting samples of warm fluids emerging from the cracks in the volcanic rocks. These octopi belong to the genus Muusoctopus species - they are pink and plate-sized creatures with enormous eyes. 
6. A green-eyed crab
ocean species
While it is unclear why this species has green eyes, what we know so far is that these hermit crabs use other creatures' shells as their home. This species was discovered 650ft and 900ft below the surface. 
7. A transparent frog
ocean species
This frog is just 0.8in long and its body is entirely transparent. They can be spotted in the Amazon. 
8. Baby squid
ocean species
This purple baby squid was discovered by the E/V  Nautilus team off the coast of California. This species is said to be related to cuttlefish and is mostly found in the Pacific Ocean. 
9. Blue dragon-glaucus atlanticus
ocean species
While this species may look beautiful, it is extremely deadly. The blue dragon-glaucus atlanticus were found on the shores of Australia. They feed on poisonous jellyfish.
10. Leafy sea dragon
ocean species
This species is the only member of the genus Phycodurus. Its leafy body structure works as a camouflage for it. You can find this species along the southern and western coasts of Australia.
11. Halitrephes Jelly
ocean species
Coming from the Halicreatidae family, this species was discovered at a depth of 4,000-5,000ft near the Revillagigedo Archipelago off of Baja California, Mexico. 
12. Sea Pen (Merisulat)
ocean species
The sea pen is found in tropical and temperate waters at the depths of over 6,100m. They generally group with the octocorals, as well ass sea whips or gorgonians. 
13. Sea Lamprey
ocean species
This species can be found in the Northern Hemisphere. They have an eel-like body without paired fins and are found in the northern and western parts of the Atlantic Ocean along the shores of Europe and North America. 
14. Candy crab
ocean species
Also known as Brachura Crabs, Spider Crabs, True Carbs, Hoplophrys oatesii and Commensal Soft Coral Crab. The crab can grow up to 2cm in length and can camouflage themselves to match the color of coral where it lives. 
15. Crossota Norvegica Jellyfish
ocean species
This newly-found species belongs to the family of Crossota millsae and is found in the Arctic Ocean at depths below 1,000m. Its body length can reach up to 2cm. 
16. Venus Flytrap Anemone
ocean species
This deep-sea species closes its tentacles to capture prey to protect itself. The venus flytrap is found in the deepwater canyons in the Gulf of Mexico. 
17. Poisonous Sea Slug
ocean species
This species is also known as sea cucumbers and has an elongated body and leathery skin. They are found on seafloors all around the world. 
18. Pacific Blackdragon
ocean species
The Pacific Blackdragon lives in the deep waters of the eastern Pacific Ocean at a depth of 700 to 3,300ft (200-1000m). They also migrate toward the surface at night after they prey on small crustaceans and other fish. 
19. Vampire Squid
ocean species
The vampire squid can be found in temperate and tropical oceans in extreme deep-sea conditions and can reach a maximum total length of 30cm (1ft). 
20. Munnopsis
ocean species
The munnopis is a genus of isopods. They generally swim around at deep sea levels and can grow up to 1-2cm. This species has greatly enlarged antennae. 
21. Coconut octopus
ocean species
The coconut octopus grows up to a length of approximately 3 in. and are mostly found in the Pacific Ocean and the Indian Ocean, from Australia to South Africa, Southern Japan, New Guinea, Indonesia, and India. This species prefers to live alone and hunts at dusk and dawn, only. They can be found at a depth of 600ft in a muddy area. 
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Related Topics: nature, animals, underwater, ocean species
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