Dolphins are a widely distributed and diverse group of fully aquatic marine mammals. They are an informal grouping within the order Cetacea, excluding whales and porpoises, so to zoologists the grouping is paraphyletic.
I am so glad that they are number one, they can actually develop emotions and are so smart, not to mention, cute!
Best, smartest, and friendliest sea animal by far.
They jump up high and they make those sounds it is so so cool good chose
Easy number 1. Very friendly, good looking and intelligent creatures! - Merggy
2 Great White Shark
The great white shark, also known as the great white, white pointer, white shark, or white death, is a species of large lamniform shark which can be found in the coastal surface waters of all the major oceans.
It's the ancestor of the megalodon, the biggest shark ever to exist in the sea, or anywhere else! How can you say its not cool?!
Take this giant eating smelly fish of this list.
I prefer dolphins but sharks Are still awesome
It is the coolest and even cooler than dolphin
3 Killer Whale
The killer whale or orca is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member.
Please stop calling them "killer"
They aren't killers. They are extremely intelligent and don't kill unless they have to.
Killer whales or orcas are the largest type of saltwater dolphin. They are stunning killers of the ocean. Even though they are amazing hunters orcas don't attack people ( which is a good thing )
Orcas are beautiful creatures of the ocean. They are intelligent, cunning, and graceful animals. (By the way, did I mention them being REALLY CUTE? )
Killer whale are amazing! they are one of my favorite animals!
4 Beluga Whale
The beluga whale or white whale is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along with the narwhal, and the only member of the genus Delphinapterus.
This should be number one! Beluga whales are so loyal! And they are endangered!
I love belugas!
That is so cute.
Looks like a peice of jelly
The octopus is a cephalopod mollusc of the order Octopoda. It has two eyes and four pairs of arms and, like other cephalopods, it is bilaterally symmetric. It has a beak, with its mouth at the center point of the arms.
This should be #2. They are my favorite mollusc in the ocean. They are AWESOME.
They are intelligent, they camouflage easily, they can squeeze into small spaces, they can regenerate arms, coolest animal EVER! - Whywhat
They are awesome I did it for my animal report at school and I'm not kidding
How can you love this thing? I think it's awesome.
7 Tiger Shark
The tiger shark is a species of requiem shark and the only extant member of the genus Galeocerdo. It is a large macropredator, capable of attaining a length over 5 m. Populations are found in many tropical and temperate waters, especially around central Pacific islands.
The combined of a tiger and a shark One word powerful 🐅🦈
8 Giant Squid
The giant squid is a deep-ocean dwelling squid in the family Architeuthidae. Giant squid can grow to a tremendous size due to deep-sea gigantism: recent estimates put the maximum size at 13 m for females and 10 m for males from the posterior fins to the tip of the two long tentacles (second only to ...read more.
Lobsters comprise a family of large marine crustaceans. Lobsters have long bodies with muscular tails, and live in crevices or burrows on the sea floor.
10 Blue Whale
The blue whale is a marine mammal belonging to the baleen whales. At 30 metres in length and up to 173 tonnes in weight, it is the largest extant animal and is the heaviest known to have existed.
12 Sea Pig
Scotoplanes, commonly known as the sea pig, is a genus of deep-sea holothurian echinoderm of the family Elpidiidae, order Elasipodida.
The ocean is so weird...
Creepy and gross
13 Electric Eel
14 Sting Ray
They are majestic and calm and beautiful creatures!
15 Whale Shark
The whale shark is the world's largest living shark as well as the largest living fish. Whale sharks grow up to 45 ft. (13.7 m) long, and can weigh as much as 13 tons (11.6 tonnes). Their mouths alone are a whopping 6 ft. (1.8 m) across-big enough to gulp down three percent of their body weight in food ...read more.
These sharks eat plankton
I love whale sharks
16 Mimic Octopus
The mimic octopus is an Indo-Pacific species of octopus capable of impersonating other local species.
How could you not love this animal they mimic everything a normal octopus blends in well but these take it to a WHOLE NOTHER LEVEL I mean they are crazy they are like chameleons awesome creatures.
Octopusses are awesome and should be at the top of this list
17 Manta Ray
Manta rays are large rays belonging to the genus Manta. The larger species, M. birostris, reaches 7 m in width while the smaller, M. alfredi, reaches 5.5 m. Both have triangular pectoral fins, horn-shaped cephalic fins and large, forward-facing mouths.
The horn rocks
19 Gulper Eel
Aw, they're so helpless! You can't make fun of them! Happy as a clam! Hehehehe!
The megalodon is an extinct species of shark which was about 59 feet (18 meters) long and hunted in the seas until about 1.5 million years ago. It was similar to today's great white shark-but three times longer and 20 times heavier. ...read more.
They can grow up to be 20 meters long
It is 100 feet long!
Coelacanths are lobe-fin fish that have lived more than 70 million years ago. Two kinds are still around today, swimming in the deep waters of the Indian Ocean.
23 Mako shark
They are the fastest sharks and they look totally awesome
It is the fastest shark ever, and it looks and sounds cool. It is the best
24 King Crab
Its not big enough
The blobfish is a deep sea fish of the family Psychrolutidae. It inhabits the deep waters off the coasts of mainland Australia and Tasmania, as well as the waters of New Zealand.
27 Sperm Whale
28 Hermit Crab
They are pretty fast and the way they they change shells is cool
31 Megamouth Shark
Megamouth sharks are a species of deepwater shark. The first one of this species was discovered in 1976 when a U.S. naval ship discovered something very strange caught on its sea anchor. Scientists dubbed it megamouth for obvious reasons. Since then, the megamouth shark has proved to be extremely elusive. ...read more.
It has a huge mouth
It is super rare
this are way the coolest and most BEAUTIFUL animals in the
world! they can have every color that exists and there isn't a cuter animal
in the whole world!
33 Hammerhead Shark
Every the first hammerhead should get a noble prize for disproving scientists that a shark and a hammer can't have relationships. - Persian
34 Harp Seal
They're cute but they're hit with clubs ;(
36 Red-Lipped Batfish
The red lipped batfish has red lips, making it look like it's wearing red lipstick. They aren't very good swimmers and live in the ocean floor. They look similar to crabs.
37 Bull Shark
The bull shark is a requiem shark that is considerably dangerous. These sharks live in both freshwater and saltwater environments. Bull sharks can be recognized by seeing a shark in freshwater and watching the shark due a hit and run.
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail", usually entirely hidden under the thorax.
39 Lion's Mane Jellyfish
40 Box Jellyfish
Box jellyfish are cnidarian invertebrates distinguished by their cube-shaped medusae. Some species of box jellyfish produce extremely potent venom: Chironex fleckeri, Carukia barnesi and Malo kingi.
41 Blue Ringed Octopus
I love it
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or "basket stars".
The Tetraodontidae are a family of primarily marine and estuarine fish of the order Tetraodontiformes.
Cute but not very huggable, this creature has a unique defense mechanism by puffing up and showing its spikes to everyone, hence its name, " Puff"erfish.
44 Mantis Shrimp
The mantis shrimp, or stomatopod, is a type of marine crustacean of the order Stomatopoda. Most species can grow to around 10 centimetres in length, though a few species reach up to 38 cm.
A mantis shrimp once escaped the aquarium exhibit it lived in and punched a guy on the foot and broke his toe.