12 Sea Creatures You Never Knew Existed


From the heaviest fish in the world to animals
so tough they can survive a nuclear explosion, here are 12 sea creatures you never knew existed:
Number 12 The Dumbo octopus The Dumbo octopus is a species of octopi that
resembles the title character of the Disney film. It has prominent ear-like fins making it look
like a baby elephant’s head. The Dumbo octopus lives at depths of over
13,000 feet below sea level. They grow to almost 6ft in length and weigh
up to 13 pounds. They swim by flapping their ear-like fins
and hover over the sea floor searching for food and feed on worms, amphipods and other
crustaceans. They typically capture their prey by pouncing
on it and then swallowing it whole. Number 11 Ocean Sunfish
The ocean sunfish is the heaviest bony fish in the world, weighing between 545 and 2,205
pounds. Living on a diet of sea jellies and small
fish, which it has to consume in very large quantities because of their poor nutritional
value. Occasionally they feed on squid and crustaceans
and will even ingest, eel grass. Ocean sunfish have laterally flattened bodies
and got their name from their habit of sunbathing on the surface of the water. Their protruding dorsal fins are often mistaken
for sharks when they swim near the surface. Ocean sunfish usually live in temperate and
tropical waters of every ocean in the world. Although they may look frightening if you
encounter them in the water, ocean sunfish are docile and pose no threat to humans. However, due to their large size and weight,
they can pose a hazard to watercrafts. Number 10 Humpback Anglerfish
The humpback anglerfish, also known as the humpback black devil, lives at depths ranging
from 800 to 13,000 feet below the ocean’s surface. They have black soft bodies and large heads,
widened mouths and long pointed teeth. Females are capable of eating prey even larger
than themselves. Female humpback anglerfish also have a short
dorsal fin spine with a bulbous apparatus which they can use as a bioluminescent lure
to attract prey or potential mates. Usually, females eat almost everything they
encounter, as food sources are limited in the deep sea. Number 9 Amphipoda
Amphipoda is an order of crustaceans that range in size from 0.03 inches to 13.4 inches. Their bodies are laterally compressed and
have no carapace. The most interesting thing about amphipods
is their feeding behavior. There are more than 9.900 species, and some
are flesh-eating scavengers. Amphipods have two front pairs of legs with
large claws. They use their claws to grasp their food and
will feed on almost anything nutritious they come across, including each other, cannibalism
is high in some species. Although amphipods don’t usually feed on
humans, in 2017 in Melbourne, a little boy was left with severe bleeding wounds on his
leg after swimming in the water for about half an hour. Number 8 Sarcastic Fringehead
The sarcastic fringehead is a small fish with a large Predator-like mouth and aggressive
territorial behavior. It can only grow up to 12 inches long and
lives in the Pacific, off the coast of North America, from San Francisco, California to
central Baja California. When two of these creatures meet and have
a territorial battle, they wrestle by pressing their mouths against each other. The larger fish is the one which establishes
dominance. The sarcastic fringehead has needlelike teeth
which they use for defense against any creature that intrudes on its territory. However, they do not use their frightening
mouths for feeding. Sarcastic fringeheads are unable to suction
food due to their oversized jaws and usually feed on eggs during squid spawning season. Number 7 Pelican eel
The Pelican eel, also known as the gulper eel, has a very large mouth which it can open
wide enough to swallow bigger fish. Gulper eels live at extreme depths from 1,600
to almost 10,000 ft. They have tiny black snake-like bodies which
combined with their much bigger heads give them the appearance of an alien. Although their mouth can expand in order to
swallow bigger fish, pelican eels have very small teeth. They usually feed on squid and other small
invertebrates, as they cannot use their teeth to attack and fill large fish. Number 6 Pacific Viperfish
The Pacific viperfish lives in the abyssal depths of the deep sea and is easily recognized
by its large open mouth. It’s a predatory fish that can reach lengths
of 1 foot and it has an iridescent dark silver body. Pacific viperfish cannot close their mouths
due to their very large fang-like teeth which they use to trap their prey with. They also have a light or gone located at
the end of their dorsal fin rays. Pacific viperfish usually feed on crustaceans
and small fish. They use luminescent silhouetting in order
to warn potential predators like sharks or dolphins of their formidable size. Number 5 Abyssal ghostsharks
Pointy-nosed blue chimaeras or more commonly known as abyssal ghostsharks are sea creatures
that live in temperate ocean floors down to 6,500 feet deep. They are believed to be some of the oldest
fish in existence, as they branched off from sharks nearly 400 million years ago. Their bodies have a ghost-like appearance
with blue-gray coloration, which is where their names come from. They can grow up to 4ft. Their frightening appearance is also caused
by the dark lines around their orbits which gives them a demonic appearance. Number 4 Stargazer Fish
Stargazers are a family of fish that camouflage themselves in the sand on the ocean floor
and attack when a fish swims by. Their eyes are mounted on the top of their
heads and they have upward facing mouths. Stargazers have two large venomous spines
located above their pectoral fins and some species can also cause electric shock. Their way of attacking other fish combined
with their ability to cause electric shock and the fact that they also have venomous
spines, have caused some to refer to stargazers as “the meanest things in creation”. They’re also known as the mother-in-law
fish. Despite their gruesome reputation, stargazers
are a delicacy in some cultures. Number 3 Immortal Jellyfish
The immortal jellyfish is a species of biologically undying jellyfish. It’s found in the Mediterranean Sea and
the waters of Japan and has no maximum lifespan. It begins life as a larva and settles down
to the sea floor, where it gives rise to a colony of polyps. Each polyp and jellyfish arising from a single
larva is a genetically identical clone. The polyps morph into an extensively branched
form. Jellyfish then bud off the polyps and continue
their life in a free-swimming form. They eventually reach six dual maturity and
start preying on other jellyfish species. Their immortal ability kicks in when they
are exposed to environmental stress, physical as salt or when they are sick or old. That’s when these remarkable creatures can
form a new polyp colony. This process can go on indefinitely. However, even immortal jellyfish can die,
as they can succumb to predators or disease while in the medusa stage, before budding
off the polyps, when they cannot revert to the polyp form. Number 2 Water Bears
Water bears are micro-animals that resemble bears and are believed to be the toughest
and most resilient animals on the planet. They can survive incredibly harsh conditions
such as exposure to extreme temperatures or pressures, radiation, air deprivation, dehydration
and even starvation. They can go without food or water for more
than 30 years. Their barrel-shaped bodies usually only grow
up to 0.02 inches long and have four pairs of legs, each with four to eight claws. Water bears feed on algae, plant cells and
small invertebrates. They have no respiratory organs, as the gas
exchange occurs across the entirety of the body. They can live to be 200 years old and may
even survive nuclear explosions. It’s even believed that water bears could
even survive floating through the vacuum of outer space. Number 1 Sea Spiders
The sea spider is not really an arachnid, but a marine arthropod. It got the name from its eerie resemblance
to a spider. It has eight long legs and a small body. Most species of sea spiders are so small that
each of their muscles consists of only one cell. They’re most common in shallow waters where
they’re usually found walking along the bottom. Most sea spiders are carnivorous, feeding
on sponges and tiny sea creatures. However, there is a species of sea spiders
called The Southern Ocean giant sea spider whose leg span can reach up to 9 inches. It lives at the bottom of the ocean and feeds
on worms, jellyfish and sponges. While some of these creatures have eight legs,
just like spiders do, most have 10 and even 12 legs. Their anatomy is different from the usual
sea spiders’, as they do not seem to have a body. Their organs are located in their legs, which
they also use for respiratory purposes. The Southern Ocean giant sea spider lives
in coastal waters of South Africa, South America and Madagascar but can also be found in the
waters around Antarctica.

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