10 DEADLIEST Aquatic Predators In The World!

From large poisonous snakes to killers who
like to play with their food, here are 10 of the deadliest aquatic predators. 10. Blue Marlin The blue marlin is the largest of the marlin
species, and one of the largest types of fish in the world. The females greatly outsize the males, and
can grow to up to 14 feet long (4.3 m), and weigh up to 2,000 pounds (907 kg). Despite this enormous size, they can swim
through the water at speeds of around 50 miles per hour (80.5) which, combined with their
sharp spear, can make them incredibly dangerous! They hunt by swimming into shoals of fish
and impaling their prey, They would be deadly to a human if they managed to strike with
full force. They are also renowned as one of the toughest
sporting fish to catch, and are considered by many to be the holy grail of deep sea fishing
because of the tremendous fight they put up after being hooked. Marlins are stunning creatures, with cobalt-blue
and silvery colours- which can change under certain conditions. They are found in the Atlantic, Pacific, and
Indian oceans, and can migrate across hundreds of thousands of miles in one season. They are rare, but not quite at the stage
of being endangered- mainly because of overfishing. Their meat is seen as a delicacy in Japan
and is often served as Sashimi. So while they are extremely skilled marine
predators that should be admired, the deadliest predator is always a human. 9. Electric Eel They may be named after one, and even look
like one, but electric eels aren’t actually eels, they’re a type of fish known as a
knife-fish. They are found in the waters and mud of the
Amazon and Orinoco river basins in south America, and are extremely dangerous for any human
who comes into contact with them. It’s all down to their unique physiology. They have three abdominal organs that make
up the majority of their body, called the main organ, the Hunter’s organ, and the
Sachs organ. These are able to produce electric charges
that can be released as either a low or high voltage. The organs work very similar to a battery
by creating an electric potential difference that can then be released when the fish detects
prey. The shock it produces can be extreme, up to
860 volts for a fraction of a second. This is more than enough to incapacitate or
kill its prey, and it will even deliver a nasty shock to an adult human. On their own they are unlikely to be able
to kill someone, though, but it’s when they’re in groups that they become deadly. Often, as the waters dry up, large groups
will be stranded in small bodies of water. If they all release their charge at the same
time, you wouldn’t stand a chance. Just imagine a little fishy. 8. Stingray Stingrays are a type of ray that can grow
to enormous sizes, and have a barbed stinger on their tail that can be used as an incredibly
deadly weapon. Like their close relative the shark, stingrays
have skeletons made of cartilage and electrical senses around its mouth that help it detect
its prey. They spend most of their lives hidden beneath
the sand, with only their eyes protruding out, and wait for just the right moment to
strike their prey. They mostly feed on molluscs and small fish. They don’t actually use their spine to hunt-
they are there as a defensive weapon. The spear stiffens when the stingray feels
threatened. It is very unlikely for a stingray to attack
a human. They will attack if they feel provoked, and
this is when they can become extremely dangerous. Contact with the stinger of a ray can cause
swelling and pain because of the venom, and potential infection if not treated immediately. Of course, if you’re unlucky with where
the stinger pierces your body, the consequences could be fatal. It doesn’t happen too often, but when it
does the barb usually breaks off- further complicating attempt to treat the wound. In 2006, famed naturalist, Crocodile Hunter
Steve Irwin was killed by a stingray as a result of its stinger passing through his
heart causing severe trauma. It was a very tragic accident. In December 2017, 73 people were stung by
stingrays on Huntington Beach, California. 7. Polar Bears Polar bears are closely related to brown bears,
but have evolved to grow much larger. They are classified as marine mammals because
they spend most of their lives in the water or on ice flows, and can grow to weigh about
1,500 pounds. They are the most carnivorous of any bear
species, and scour the Arctic looking for their next meal of seals. Their favourite means of hunting seals is
to track down a breathing hole and wait. When the seal surfaces for air, the bear catches
it and drags it out onto the ice. Polar bears are unquestionably the alpha predator
across the arctic tundra, and their ability to hunt on both land and in the water makes
them incredibly efficient. They have no natural predators, but due to
the receding ice shelves they are now an endangered species. This has also led to increased attacks on
humans, as they are forced to move closer to towns in search of food. They don’t hunt or attack humans as a matter
of course, but if they feel threatened- particularly if there are cubs nearby- they won’t think
twice about killing and eating a person, like all animals. If they do decide to do this, there’s very
little hope for evading their attack. 6. Beaked Sea Snake If you thought snakes that lived on land were
bad enough, then you’d better stay well clear of this next marine predator. The beaked sea snake, also known as the hook-nosed
sea snake, is one of the most highly venomous snake species in the world. It’s found in the waters around Madagascar,
South Asia, and Australia- and their venom is up to 8 times as toxic as cobra venom. This species is thought to be responsible
for more than half of reported sea snake bites on humans, and as much as 90 per cent of the
fatalities caused by sea snakes. They grow to about 5 feet long, and can dive
as deep as 330 feet without needing to resurface for 5 hours. Just 1.5 milligrams of its venom is enough
to kill an adult, so it’s a good thing that attacks on humans are rare, and they often
dry bite as a warning first, which means they don’t release venom in defensive bites. For the smaller creatures that are less fortunate,
the beaked sea snake will bite them to inject their venom, wait for them to stop wriggling,
and then swim around to eat them head first. 5. Crocodile Found across Africa, Asia, the Americas, and
Australia- crocodiles are large reptiles whose ancestors have been dated back to more than
200 million years ago. There are 14 known species, each which have
their own unique attributes… Such as the heavily armoured dwarf crocodile,
and the extremely aggressive Cuban crocodile. They are the largest reptiles on earth, with
some species growing up to 20 feet long, and weighing 2,200 pounds. They spend most of their time in the water,
and are nocturnal. They will eat just about anything. Their long snouts with rows of teeth make
them ideal for hunting, They stay motionless in the water near the bank, where animals
go to drink, and then snap into action by grabbing unsuspecting animals, dragging them
into the water, and then spinning them around in the water to tear the flesh off. Attacks on humans are unlikely, but they do
happen- and don’t end well for anyone unlucky enough to be caught. The saltwater crocodile and the Nile crocodile
are by far the most dangerous in this respect, and are responsible for hundreds of human
fatalities every year across Asia and Africa. And now for a predator that likes to play
games, but first, remember to subscribe before you leave! 4. Leopard Seals Leopard seals are found in the cold waters
of the Antarctic, and are the second most dangerous predator that lives there, so stay
tuned for number 2 to hear about that one!. They are the third largest seal species, but
don’t let that fool you because even though they aren’t number one in this aspect, they
are the number one in aggressiveness. . They grow up to 12 feet long, can weigh
up to 1,400 pounds, and have 1 inch long canine teeth. Their main source of nutrition comes from
smaller seals, krill, penguins, fish, and sea birds. They spend large amounts of time in isolation,
swimming beneath the ice, because they do not play well with others, even members of
their own species. When it’s time to hunt, they stay by the
edge of the ice- waiting for something to dip into the water. Once they have caught their prey, they smash
it violently against the water’s surface to both kill it, and tear the flesh apart. They like to play with their food and will
play Cat and Mouse with penguins or baby seals, biting them and letting swim away to try to
swim to the shore and then they will cut them off over and over again. The little animal will either make it to shore
or die of exhaustion and the seal might not even eat it after. No one knows why they do this, probably for
sport. Leopard seals can be extremely dangerous towards
humans but, because of their habitat, they rarely come into contact with them. There have been a number of reports of them
attacking boats, and in 2003 a biologist who was exploring the region was dragged to her
death more than 200 feet underwater by a leopard seal. Even though they are known to smile, you should
keep your distance. 3. Great White Shark You already know great whites have a bad reputation,
but there’s no doubt that the great white shark is the deadliest marine predator that
spends its life beneath the waves. They grow up to 20 feet long, and weigh in
at around 4,000 pounds. Their range is impressive. They are found all over the world and are
found from shallow water to depths of up to 3,900 feet. It’s their speed and design that makes them
so deadly and efficient. They are able to pass through the water at
35 miles per hour, and are equipped with multiple rows of serrated teeth. They have no known predators, apart from humans,
and feed on other animals like fish, dolphin, seals, turtles, and birds, even carrion. They are, quite simply, killing machines and,
while not the largest of shark species, by far the most dangerous. Human attacks do happen, but great white sharks
don’t see us as prey. It is thought to happen because they have
detected movement in water where their senses are limited, and since they don’t like the
taste of humans they usually move on in search of something less bony. Despite the low fatality rate associated with
great whites, they are responsible for the largest proportion of human attacks by any
shark species, so must be treated with great caution. 2. Killer Whale And now the most dangerous predator of the
Antarctic, the killer whale! Killer whales are the largest of the dolphin
species, and one of the most dominant marine predators. They are found in all oceans, but seem to
prefer cooler waters. They are thought to live for up to 80 years
in the wild, anc can grow to be up to 32 feet long and weigh up to 6 tons. They are social animals that are extremely
intelligent. Killer whales (or orcas) can be found in pods
of up to 40 individuals, that hunt together. With a diet consisting of mainly seals, sea
lions, and whales- their teeth can be four inches long. They are perfectly designed for hunting other
animals, and can easily coordinate and outsmart their prey. Killer whales will also play cat and mouse
with their food, but can follow seals onto land and will actually end up eating it at
the end. Escape is practically futile. Despite their predatory prowess, there have
been very few attacks on humans in the wild and there have been no fatalities. The same cannot be said for orcas in captivity
which goes to show you that they are not meant to be kept in small spaces. It is not necessarily malicious but they can
get frustrated and lash out. 1. Megalodon This is hands down the deadliest marine predator
that has ever lived. As far as we know, this species is no longer
around, with the most recent evidence of their presence coming from 2.6 million years ago. (But some people still argue that they could
be lurking in the depths). While not thought to be related to the great
white shark, their appearance was similar. The Megalodon was, essentially, a bulked up
version of the great white that grew to almost three times the size- with some fossils being
60 feet long. This makes it the largest fish that is ever
known to have lived. The megalodon had such strong jaws that it
could crush bone and shell, meaning that any prey it caught didn’t stand a chance. Its diet was thought to be mainly larger marine
creatures like whales, and other sharks- but also giant turtles and ancient seals. Needless to say, the world would be very different
today if these monsters were still patrolling the oceans. Humans would be on the menu, and so would
every other top predator that currently rules the waves. Thanks for watching! Remember to subscribe and see you soon! Byeeee

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