27 Sea Creatures With Hidden Talents

Bright Side

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00:00The Heikegani crab lives off the coast of Japan and has a distinct pattern on its shell that looks like a human face.

00:08More specifically, the face of an angry samurai, hence the nickname the Samurai Crab.

00:15The scarlet-striped cleaning shrimp is a natural hitchhiker.

00:20It stands on the sea floor and waves its long antennae for fish and sea animals to go down and pick it up.

00:27Then it pays for the ride by cleaning the host from bacteria and plankton.

00:33Sea salps are often confused with jellyfish, although they're closer to Portuguese man-o'-war.

00:39They're very quick to mature, growing from newborns to adults in less than 48 hours.

00:46The Galapagos Islands are legendary.

00:49They've got giant tortoises, blue-footed boobies, sally-lightfoot crabs, and red-lipped batfish.

00:55But if you've ever swum around there, you might have seen something really unexpected in the water.

01:01Iguanas! Everywhere!

01:04These large marine reptiles eat the algae that grow on underwater rocks.

01:08They're strict vegetarians.

01:10I bet the fish are happy about that.

01:13A long flat tail designed for swimming helps them move around,

01:16and sharp claws keep them on the rocks for their daily sunbathing sessions.

01:21But watch them closely.

01:22They sneeze a lot.

01:24They haven't got it cold or anything.

01:26They're sneezing out salt.

01:29A special gland keeps the salt out of their nose,

01:31and they've got to get rid of it somehow.

01:34Sounds painful.

01:35What's cool is that they don't mind us in the water with them.

01:39Because the islands have been so isolated,

01:41the creatures here aren't afraid of humans.

01:45Fish can fly, too.

01:46Thanks to their wing-like fins, flying fish can soar a distance of about 600 feet,

01:53almost as long as two football fields.

01:56They need flight to escape from predators.

01:58The skeleton shrimp could be the stuff of nightmares if it wasn't so tiny.

02:04As it is, it looks like a stick insect, but almost completely transparent.

02:09This creature looks more like a fish from a horror movie than from Earth's oceans.

02:16The sea devil anglerfish resides at a whopping depth of 3,200 feet,

02:21and has no shortage of weird features.

02:24Razor-sharp teeth, a misshapen body, and an unsettling stare.

02:29But perhaps the creepiest thing about the sea devil anglerfish

02:33is the way it catches its prey.

02:36It has a fishing rod-type appendage on its forehead

02:38that has a glowing light attached to the end to attract animals.

02:43Once these animals come close enough to the light,

02:46bam, they're captured by the sea devil's massive jaws.

02:50These guys are even capable of eating prey larger than they are,

02:53so their eyes aren't bigger than their stomachs.

02:56Starfish can cover their prey with their stomachs

03:01and eat it outside its body.

03:03Then, they simply bring their stomachs back inside.

03:07Well, that's handy.

03:09Their relatives, sea cucumbers, can do the same party trick,

03:13except that they leave part of their guts behind to scare their attacker.

03:18It's okay, the missing parts quickly grow back.

03:22Cockatoo squids, or glass squids,

03:25are a large genus whose members can reach quite impressive size.

03:29Yet, one thing they have in common

03:31is that their bodies are transparent,

03:33and the internal organs glow in the dark.

03:37Despite the hairy octopus

03:39looking like it's forgotten to comb its hair in the morning,

03:42it's actually its skin that's sticking in every direction.

03:46Other sea creatures have a harder time realizing

03:48where the octopus itself is this way, I guess.

03:51The hairy squat lobster lives in reefs,

03:56hiding from its enemies and crevices.

03:58If you're lucky to see it,

04:00you'll instantly notice the drastic difference

04:02between its whitish hairs

04:03and vibrant pink and violet claws.

04:07If you step on a sea urchin,

04:09you're gonna know right away.

04:11Look at those spikes!

04:13While they're not aggressive,

04:14they've got a great defense

04:16going against any creature that wants to eat them.

04:18They live in all the oceans of the world,

04:26so avoiding them is out of the question.

04:29They mostly hang out in shallow water,

04:32hiding in rock pools and reefs.

04:34So, unmindful people step on them a lot.

04:37The long venomous spikes of the urchin

04:39look like needles.

04:41They feel like them too.

04:43They can go in quite deep,

04:45plus they release a strong toxin.

04:47So, what's the cure?

04:49Remove the spikes quickly

04:50and wash with salt water.

04:54Sea turtles are constantly crying.

04:56They're not sad or anything.

04:58The weeping is only because

05:00they excrete excess salts from their body

05:02through their tears.

05:05Boxed jellyfish tentacles

05:06grow up to 10 feet long.

05:08And each tentacle

05:09has 5,000 stinging cells.

05:12Not bad for a creature

05:13that's mostly just water.

05:15Their venom is strong enough

05:17to paralyze anything they want to eat.

05:20Now, if you happen to get stung,

05:22it's going to hurt a lot.

05:24Its toxins contain proteins

05:26that affect the heart,

05:27skin cells,

05:28and even our nervous system.

05:30No wonder it's considered

05:32one of the most dangerous creatures

05:33on the planet.

05:34I wouldn't recommend using sunscreen,

05:37soda, coffee,

05:38or other older methods.

05:40They don't work.

05:41Your best bet

05:42is some good old-fashioned seawater.

05:45Looks like jellyfish

05:46are the rulers of the ocean,

05:47not sharks.

05:50The margined sea lizard

05:52isn't an actual lizard.

05:53It's a kind of sea slug

05:55that dwells close to the water surface.

05:57It swims upside down

05:59and somersaults to get food.

06:01And let's admit,

06:03it looks very cute.

06:04When some foreign object

06:07gets into an oyster's shell,

06:09be it a grain of sand,

06:10a parasite,

06:11or garbage,

06:12the thing irritates

06:13the mollusk's inner walls.

06:16Since the animal

06:16can't spit the item out,

06:18it envelops it

06:19in thin layers

06:20that separate from the body.

06:22These pearlescent layers

06:23accumulate

06:24until they form

06:25a round pearl.

06:27In the past,

06:28people believed that pearls

06:30were the tears of mermaids.

06:31Now we know they're

06:33just some decorated debris.

06:36Dolphins have

06:36highly developed communication.

06:38They call each other by name.

06:40Each dolphin responds

06:42to a specific sound.

06:44Mostly they say,

06:45stop calling me flipper.

06:48The orca

06:48is the largest

06:49of dolphin species.

06:51And they actually have

06:53different cultures.

06:54Two orcas

06:55from different social groups

06:56won't even understand

06:58each other's language.

06:59They're the only animal

07:00known to do this.

07:02I wonder if they developed

07:03any Google Translate

07:04for dolphins.

07:06The banded shrimp,

07:07or banded boxing shrimp,

07:09was really aptly named.

07:11It's got bands of color

07:13all over its body

07:14and always stands

07:15in a boxer-like,

07:17ready-to-strike pose.

07:19The brown-lined

07:20paper bubble

07:21is another sea slug,

07:23and it definitely

07:24looks like one.

07:25It's got a special ability,

07:27though.

07:28It can quickly burrow

07:29holes in the sea floor.

07:30Hiding from enemies

07:32inside them.

07:34The snakefish,

07:35as the name implies,

07:36looks a lot like a snake,

07:38but it has a very

07:39distinctive feature.

07:41It can walk

07:41on its fins.

07:43Thanks to this peculiarity,

07:45it easily crawls

07:46from one waterbed

07:47to another,

07:48choosing habitats

07:49more to its liking.

07:51On the way,

07:52a snakefish

07:52can get hungry,

07:53for sure,

07:54so it often munches

07:56on small birds

07:57and rodents.

07:58It can grow

07:59quite big, though,

07:59and hunt

08:00even larger animals.

08:02How much weirder

08:03can it get

08:03than to walk

08:04through the woods

08:05and suddenly see

08:06a huge and toothy fish

08:07stalking some rabbit?

08:10The alligator-snapping turtle

08:12catches its prey

08:13by going fishing.

08:15Its tongue

08:16looks like a worm,

08:17and the turtle

08:17waits with its mouth

08:19wide open

08:19at the bottom

08:20of a stream,

08:21lake,

08:21or pond

08:22until some unsuspecting

08:24fish takes the bait.

08:25Then,

08:26snap!

08:27The jaws

08:28come together

08:28faster than the blink

08:29of an eye,

08:30and dinner is served.

08:33The mossy jellyfish

08:34is normally invisible

08:36in the dark abyss

08:37where it dwells,

08:38but when exposed

08:39to light,

08:40it will reflect it

08:41and shine beautifully.

08:43The black swallower

08:44might be small,

08:45but make no mistake,

08:47it could easily gulp

08:48down your favorite puppy.

08:50It can open its mouth

08:51extremely wide,

08:53allowing it to swallow

08:54prey twice its size.

08:57The African tigerfish

08:58will eat whatever it finds,

09:00and given its own size

09:02and that of its monstrous teeth,

09:04you can imagine

09:05it finds a lot of food.

09:07It mostly feeds

09:08on other fish,

09:09but when nutrition is scarce,

09:11it can jump out of the water

09:13and catch both insects

09:14and small birds

09:16right in the middle

09:17of the flight.

09:18It's not so big

09:19as to eat a human,

09:20of course,

09:21but the name should warn you

09:22that it can easily

09:23take a bite

09:24out of your arm or leg.

09:27Your brain controls

09:28your arms and legs,

09:30but with an octopus,

09:32each arm is actually

09:33kind of independent

09:34with its own special brain

09:36held together

09:37by a bigger central brain,

09:39kind of like the conductor

09:40of an orchestra.

09:42The central brain

09:42sends higher-level signals

09:44to each arm,

09:45saying things like,

09:46move to the left,

09:47there's a crab

09:48behind the corner,

09:49or touch this silly

09:51human's foot.

09:52Let's mess with him

09:52a little bit.

09:54No matter how smart

09:55their arms and legs might be,

09:57an octopus still needs

09:58to look after them

09:59all the time.

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