- 6 days ago
The deep ocean hides creatures so creepy they feel unreal, and their talents sound like science fiction. In this video, we dive into the darkest parts of the sea to uncover animals that glow, disappear, shock, and survive in impossible conditions. These creatures don’t just look strange — they’ve evolved abilities that scientists are still trying to understand. We’ll explain how they work in simple terms and why they exist at all. If ocean mysteries and bizarre life forms fascinate you, this one will pull you in fast. 🌊🦑 Animation is created by Bright Side.
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This video is made for entertainment purposes. We do not make any warranties about the completeness, safety and reliability. Any action you take upon the information in this video is strictly at your own risk, and we will not be liable for any damages or losses. It is the viewer's responsibility to use judgement, care and precaution if you plan to replicate.
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FunTranscript
00:00So, if you ever take the Galapagos cruise, you might be lucky enough to see one pretty remarkable fella.
00:08It's called the red-lipped batfish, and it looks like some sort of bat that overdid its makeup.
00:14You can find it at depths from 50 to 300 feet, and you probably won't miss it because it can grow up to 10 inches long.
00:22They mostly chill on the seabed, where they shuffle their way along the seafloor on their stubby little fin legs with pretty large feet.
00:31Yup, very odd to see a fish walking.
00:35But from time to time, they come to the surface to see if there's something interesting up there.
00:40You can also find them at the edge of reefs.
00:43Red-lipped batfish are not fans of warm waters, so you'll mostly find them in colder ones.
00:49It's an anglerfish.
00:52That's the type of fish that lures its potential prey with a fleshy lobe.
00:56Do you see it here on a filament that arises from their snout?
01:00These fish usually come with a big head and wide mouth.
01:04Eh, no comment.
01:05Their tail and bodies are relatively small.
01:08The red-lipped batfish has a fleshy growth on its head.
01:12That's how it catches smaller animals, such as mollusks, shrimp, and little fish of opportunity.
01:19Now, check this bizarre creature lurking in the deep sea.
01:23It's called a tripod fish, and you can find it all across the Indian, Pacific, and Atlantic
01:29Oceans.
01:30Look at their long, bony fins.
01:33They can extend up to three feet from their underside and tail.
01:37Scientists think they pump fluid into these fins when they're standing so they can remain rigid.
01:42When they're swimming, their long fins softly float beneath them, which can sometimes look
01:48a little bit awkward.
01:50I mean, the walking part looks kind of weird, too, but cool, you must admit.
01:54Tripod fish evolve to sit on their pretty long fins to be taller.
01:58Because that way, it gets into a perfect position to catch fish, tiny prawns, and other small,
02:05unfortunate, yet tasty animals the ocean current brings right into their mouth.
02:10It's a perfect mechanism when you think about it.
02:13Currents are barely present at the seabed level, so they'd have to work much harder.
02:18Hmm.
02:19And this fish can't even see the prey coming.
02:21It's almost blind because it spends most of its time in a dark habitat.
02:27But its long fins feel the vibrations in the muddy sediment, little animals that pass nearby
02:33May.
02:34And these pectoral fins that sit right behind its head are some sort of antenna.
02:39It gives them extra information about incoming dinner.
02:43Now, you must admit, you haven't seen that many grumpy-looking animals like this cusk eel.
02:49They do have long fins and long bodies, plus their name says it, but they're not actually
02:56eels.
02:57The cusk eel family has different members, each with its own specifics.
03:02For example, the faceless cusk.
03:04Just as its name says, the species mostly don't have a face.
03:08Some have eyes that function, while others don't.
03:12Some produce weird sounds while looking for a partner, and many of them live in deep waters.
03:17Many fish have pelvic fins under their body.
03:21But cusk eels took it to the next level.
03:24Their pelvic fins move forward through their evolution, which is why you're now looking
03:29at long and slender barbells here under their head.
03:32And the real eels don't even have pelvic fins.
03:35You can see flying fish jumping out of warm ocean waters across the globe.
03:42Thanks to the specific shape of their slim body, they can develop a speed of about 37
03:47miles per hour while they're still underwater.
03:50When they reach that speed, they just angle upward and break the surface.
03:55They rapidly beat their tail while it's still under the surface.
03:58They propel themselves with a little help from their friends, I mean, from their big pectoral
04:03fins that look like wings.
04:05That's how they escape bigger animals that come after them.
04:09And there are so many predators out there lurking from the ocean depths and hoping to catch
04:15flying fish.
04:16For example, tuna, mackerel, swordfish, marlin, and some other bigger fish.
04:21The challenge is big, so the flying fish needed to develop a good strategy to escape.
04:27But when they're on the surface, they sometimes become a target to birds.
04:32Also, they're attracted to light.
04:34And fishermen know that, so they use light to catch them.
04:38It seems no one wants to leave them alone.
04:42Now, at first, it looks like you're looking at a small plastic bag.
04:46But it's actually a real, but still pretty bizarre, marine animal that can grow up to 6 inches.
04:53From a different perspective, you see how it got its name.
04:57Thanks to its pink-colored body, and probably because it enjoys the muddy seafloor so much.
05:03That's all it has in common with pigs.
05:06These little fellows are actually a kind of sea cucumber.
05:09And you must admit, they're surprisingly adorable with their tube feet on their back,
05:15underbelly, and around their mouth.
05:17These creatures spend most of their time snuffling through the muddy seafloor.
05:22They mostly eat remnants of dead algae or some other tasty bits that have fallen somewhere from the surface.
05:28Of course, they can eat bigger stuff, too.
05:31For example, an entire whale.
05:34Sea pigs are great deep-sea babysitters for juvenile lithotid crabs.
05:39Here, you try to pronounce that.
05:41Researchers saw these little crabs hiding under and climbing on sea pigs.
05:46It was probably a way for the young crabs to stay safe from dangerous predators.
05:51And a way for sea pigs to kill some time and earn some extra cash.
05:55Now, at first, a sea angel looks like some creative animator decided to create a cartoon with such a heartwarming character.
06:05But what you're looking at is a real creature, a small, swimming sea slug.
06:11Its body is transparent, which gives the creature such a fairytale look.
06:16And check out its graceful, flapping wings.
06:19It's definitely not something we'd expect from slugs.
06:22Given a choice, they'd prefer to stay in cold waters.
06:26Snails and slugs usually fall into a category called gastropods.
06:31And the members of this group usually have muscular feet.
06:35But in the case of sea angels, it developed into appendages that remind of wings.
06:41This is what helps them with swimming in open waters.
06:44And they don't have shells either.
06:46But don't let their sweet angelic appearance dupe you.
06:50These creatures are quite sneaky.
06:52They use their tentacles and this piece called radula
06:55when they want to pull other swimming snails from their shells.
06:59And do what? Oh, that?
07:02When I first looked at this creature called giant sephonophore,
07:06I didn't think it was scary because it looked like some sort of centipede.
07:11And how giant can these be?
07:13Well, it seems they can stretch to be 130 feet long.
07:17Okay, it doesn't look scary even at a second look.
07:20But I still wouldn't like to face it.
07:22It's like you're watching some random long rope that's just floating through the ocean depths.
07:27Although it looks like some silly string that does nothing,
07:31this creature is a collection of pretty functional parts,
07:34where each is specialized for something else.
07:38Some of its parts are in charge of catching prey,
07:41while others digest food.
07:43Some parts exist for reproduction,
07:45while others direct the action of this entire rope,
07:48whoops, I mean body, by swimming.
07:50This animal is bioluminescent,
07:53which means it creates its own line.
07:56When it bumps against some random object on its way,
07:59its stem glows,
08:00and you can see a bright blue line.
08:04Isn't the flapjack octopus really cute?
08:07With its stumpy webbed arms,
08:10big eyes,
08:11and fins that remind of ears on its mantle,
08:13really adorable.
08:15You'll mostly find the flapjack octopus on the seafloor.
08:18It likes to spend most of its time there,
08:21since that's where it can relax and lay flat,
08:24looking like a pancake.
08:26And when it feels it's time to go somewhere,
08:28this little creature swims or hovers above the seabed.
08:32It flaps its fins and pulses its web of arms,
08:35and looks nothing like an octopus,
08:38more like pulsating jelly.
08:40Well, yes, that's weird.
08:42Okay, get this.
08:47Dolphins can phone each other.
08:49This is not a joke,
08:51but a fact confirmed by scientists.
08:53They put a mother and a baby dolphin
08:55in two separate aquariums,
08:57and conducted special underwater audio communication
08:59between them.
09:00When the connection was turned on,
09:02and the dolphins heard each other's voices,
09:04they started chatting.
09:06Their conversation consisted of happy whistles,
09:09chirps, and clits.
09:10You've probably heard this chatter in wildlife movies.
09:13But I wonder, you know,
09:15how do the dolphins dial the phones?
09:17Do they have flip phones?
09:19Get it?
09:19Flipper?
09:20Using a flip phone?
09:21Okay, never mind.
09:23Anyway,
09:24the most interesting thing about this experiment
09:26is that the mother and the baby
09:28recognized each other's voices through the speakers
09:30without seeing each other.
09:32They were talking fast,
09:34like it was a normal dolphin phone conversation.
09:37Think of a dog that hears its owner's voice
09:39from a phone speaker,
09:40or when you turn on a video of another barking dog.
09:43Your pet is confused
09:44and doesn't understand what's going on.
09:47But dolphins started communicating immediately,
09:50just like humans.
09:51Many animals communicate with one another
09:53through touching, gestures, biting, or growling.
09:57But dolphins have shown they can communicate
09:59without direct contact.
10:00If they understand clacking, clicking, and whistling,
10:04it means only one thing.
10:06Dolphins have their own complex developed language,
10:09and scientists hope to learn it.
10:11Scientists called one of the elements
10:13of their language signature whistles.
10:15They use whistles to call others by name,
10:18to convey information, and to warn of danger.
10:21This is one of the most difficult forms
10:23of communication in the animal world.
10:25These whistles vary depending on the situation
10:28and the dolphin species.
10:30They raise or lower the tone,
10:32shorten the duration of the sound,
10:33or increase it by exchanging short or long words.
10:37To compare the language of dolphins with other species,
10:40scientists have compiled a table of sound properties,
10:44such as length, clarity, pitch, pattern, and others.
10:47According to all the data, dolphins have the largest sound palette.
10:52Larks, you know, the bird, took second place, by the way.
10:55But even with all this data,
10:57we still don't know much about the complexity
10:59and diversity of their language.
11:01In one of the latest studies on this topic,
11:04scientists analyze about a thousand dolphin communication recordings
11:07made over the past 40 years.
11:09But even after that,
11:11we can't even come close to understanding it.
11:13It's possible that AI will handle this better than humans.
11:18We aren't aware of how to speak using signature whistles,
11:21but scientists know for sure that dolphins use them
11:24to express their emotional state,
11:26to share news,
11:27and to tell each other about the dangers
11:29or where their prey swims.
11:31Scientists believe that dolphins can talk about anything.
11:34They can rejoice and complain to each other.
11:37They even communicate in different styles at the same time,
11:40like people who are chatting at a noisy party.
11:43But in addition to sound signals,
11:45they use body postures,
11:47jaw claps,
11:48bubble blowing,
11:49and fin stroking.
11:50They form groups,
11:51assign tasks,
11:52and work as a team.
11:54If one dolphin knows a place with food,
11:56it will tell its friends about that,
11:58like Instagram.
11:59If they spot a shark,
12:01they'll warn others about it.
12:02There was even a case
12:04where two bottlenose dolphins
12:05scared a spotted dolphin.
12:07A couple of days later,
12:08this dolphin returned to that place with its friends.
12:10It's like when some bad guy bullies you
12:13and then you call your friends
12:14to help deal with them.
12:16What if we learn dolphins' language
12:18and find out that they're smarter than humans?
12:20What if they gossip about the human race
12:23and laugh at like,
12:24Oh, brother,
12:25get a load of these dumb people.
12:26They're fighting each other over nothing.
12:29What do they spend their lives on?
12:30Why don't they just chill and enjoy life?
12:33They create too many problems for themselves.
12:35It's a good thing we're smarter than them
12:37and can just relax in the ocean.
12:39Yeah, dude,
12:40let's stay away from them.
12:41Or maybe they know a lot more about nature
12:44and the ocean than people do.
12:46What if they discuss the problems of the ocean
12:48and have unknown technologies?
12:51Of course,
12:51these are all theories.
12:53But just imagine how cool it would be
12:55if you could understand dolphins
12:56and respond to them using a special program.
12:59You could get yourself a good friend
13:01that's interesting to talk to
13:02and can take you for a ride in the waves.
13:06Unfortunately, at the moment,
13:07it's still very unlikely.
13:09Dolphins are too fast swimmers.
13:12It's difficult to constantly record
13:13their communication using high-tech equipment.
13:16Even the slightest change in the dolphins' whistling
13:18is associated with their actions.
13:21Their whistles may sound the same,
13:22but the context is different.
13:24They play,
13:25fight with one another,
13:26chase fish
13:27or run away from a large shark
13:29and all the time,
13:31they use their language.
13:32Well, we have the same situation.
13:35We raise our hands
13:36when we want to say hello,
13:37but we also raise them
13:39when saying goodbye.
13:40Our wow reaction
13:41can mean both joy and horror,
13:44depending on the context.
13:45Dolphins have the same complex communication.
13:48For example,
13:49they clap their jaws
13:50when they fight each other,
13:51but they also do it when they play.
13:54Dolphins are unique
13:55not only because of their brains
13:57and the way they communicate.
13:59Perhaps you don't know
13:59that dolphins are not fish.
14:01They're mammals.
14:02Yeah, you knew that.
14:04They can't breathe underwater
14:05because they don't have gills.
14:07They come to the surface,
14:09take a deep breath,
14:10and swim for about 10 minutes.
14:12Then they repeat this process.
14:14Unlike fish,
14:15dolphins don't lay eggs.
14:16They give birth to cubs,
14:18and they feed them with milk.
14:20They also have body hair.
14:22Yep, newborn dolphins
14:23have hair on their beaks.
14:25They lose it soon after birth.
14:27Why do they need this hair?
14:29Scientists believe
14:30that this is an evolutionary echo
14:32from the time
14:32when dolphins lived on land.
14:35And here's another strange fact.
14:37We've all heard
14:38how millions of years ago,
14:40fish began to slowly come ashore.
14:42During evolution,
14:43they changed their appearance,
14:45adapting to new life
14:46on solid ground.
14:47And so they gradually
14:48turned into mammals.
14:50But dolphins are unique
14:51since their development
14:53is kind of reversed.
14:54They were originally amphibians
14:56that lived near bodies of water.
14:58The ancestors of those amphibians
15:00were artiodactyl mammals,
15:02similar to deer.
15:04Not only dolphins,
15:05but also whales and porpoises
15:07have the same evolutionary path.
15:09All of them are called cetaceans.
15:12They made a big step
15:13from land to water
15:14about 50 million years ago.
15:16What if these ancient
15:17deer-like animals
15:18were the most intelligent
15:20creatures on Earth
15:20that realized
15:21that living in the water
15:22was much better
15:23than living on land?
15:25And they haven't regretted
15:26that decision yet.
15:28Dolphins have a big brain.
15:30Chimpanzees and humans
15:31have brains of the same size,
15:33and they all have
15:34something in common.
15:35Dolphins have a long lifespan,
15:37and they form groups.
15:39They show the emotions
15:40of sadness, grief,
15:41happiness, and joy.
15:43They can assess situations
15:45and solve problems.
15:46But the coolest thing
15:47is they can pass
15:48the mirror test.
15:50That means they recognize
15:51their reflection in the mirror.
15:53They don't just look at themselves.
15:55No, they pay attention
15:56to the parts of their bodies
15:57that they can't see otherwise.
15:59They examine their movements
16:01in the mirror.
16:02Their behavior in front of a mirror
16:03is not much different
16:05than that of humans.
16:05This indicates their self-awareness
16:08and high intelligence.
16:10Do they feel sad
16:11if they don't like their body?
16:12Can they be happy
16:13if they have, let's say,
16:15a beautiful tail?
16:17In addition to these features,
16:19dolphins have a real superpower,
16:21echolocation.
16:22By producing clicks and whistles,
16:24they can find their relatives
16:25that are pretty far away.
16:27They can spot prey or an enemy
16:29despite poor visibility in the ocean.
16:32This power allows them
16:33to sense a metal implant
16:34in the body of a swimming person.
16:36We are 70% water.
16:38Therefore, when we dive
16:40into the sea or ocean,
16:41for dolphins,
16:42we become part
16:43of their echolocation field.
16:45When they emit a sound,
16:46the sound waves crash
16:48into a metal object
16:49inside the human body
16:50and the dolphins
16:51immediately feel it.
16:53And some dolphin species
16:54can turn off half their brain
16:56while sleeping.
16:57One eye is kept closed
16:59and the other eye
17:00monitors the situation
17:01so as not to miss danger.
17:03Ooh, smarty,
17:04pants dolphins.
17:09That's it for today.
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