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自動翻譯
  • It's the largest ocean predator that ever lived.

    它是有史以來最大的海洋捕食者。

  • Its jaws were so big, a full-grown human could comfortably stand inside of them with overhead

    它的下巴非常大,一個成年的人可以舒服地站在裡面,頭頂上的

  • room to spare.

    剩餘的空間。

  • Its individual teeth were bigger than a human hand.

    它的單個牙齒比人的手還大。

  • It's Megalodon, the most perfect killing machine evolution ever created.

    它是巨齒鯊,有史以來最完美的殺人機器進化。

  • To get a real sense of how incredible an animal Megalodon was, we have to compare it with

    為了真正瞭解巨齒鯊是多麼令人難以置信的動物,我們必須將它與下列動物進行比較

  • its closest modern day cousin- the Great White Shark.

    它最接近現代的表親--大白鯊。

  • Great Whites are the stuff of nightmares, over 2.5 times as long as a human being and

    大白鯊是惡夢中的東西,其長度是人類的2.5倍以上,而且是一個人。

  • with serrated teeth that can make short work of an unlucky diver.

    鋸齒狀的牙齒,可以在短時間內解決一個不幸的潛水員。

  • But even this fearsome predator is a shrimp compared to Megalodon, and would have hardly

    但即使是這種可怕的掠食者,與巨齒鯊相比也是小蝦米,而且幾乎不會

  • been anything more than a light appetizer to the monster shark.

    鯊魚怪物的開胃菜而已。

  • Megalodon was estimated to grow as large as 50 to 60 feet (15-18 meters), which is bigger

    巨齒鯊估計可以長到50到60英尺(15-18米),比一般的鯊魚大。

  • than the largest school buses.

    比最大的校車還要大。

  • Next time you're happily riding to school, or taking the bus to work, look around at

    下次當你高興地騎車去學校,或乘公共汽車去上班時,請看看周圍的情況。

  • the passengers with you and imagine that all of you could easily fit inside of Megalodon's

    想象一下,你們所有的人都可以輕鬆地裝進巨齒鯊的肚子裡。

  • stomach.

    胃。

  • Compare that with the average Great White, which can grow as big as 20 feet (6 meters),

    與一般的大白鯊相比,它可以長到20英尺(6米)。

  • or about a third of Megalodon's length.

    或約為巨齒鯊長度的三分之一。

  • However, it's not just length that matters, it's also girth, and Megalodon packed some

    然而,重要的不僅僅是長度,還有周長,而巨齒鯊的周長有一些

  • serious pounds weighing in at a whopping 100 tons, versus the measly 2.3 tons of today's

    重達100噸的重物,與今天的2.3噸相比,顯得十分沉重。

  • Great White.

    大白。

  • Megalodon meanslarge toothfor a reason, with an average tooth measuring 7 inches long

    巨齒鯊的意思是 "大牙",是有原因的,它的平均牙齒有7英寸長。

  • (18 cm), and the average Great White having a tooth around 2 inches in length (use photo

    (18釐米),而大白鯊的平均牙齒長度為2英寸左右(使用照片)

  • comfortably make an axe out of a single tooth- imagine how hardcore your Minecraft Survival

    舒適地用一顆牙做一把斧頭--想象一下你的《威廉與生存》有多硬核?

  • experience would be if you had to hunt down a Megalodon just to build an axe.

    如果你不得不為了製造一把斧頭而獵殺一條巨齒鯊,那就是一種經驗。

  • Those teeth were behind the strongest bite ever measured by science, with a Megalodon

    這些牙齒是科學界有史以來最強的咬合力的背後,巨齒鯊

  • having an estimated bite force of 10 to 18 tons, versus a Great White's 1.8 tons.

    估計有10至18噸的咬合力,而大白鯊只有1.8噸。

  • That's an even stronger bite than a T-rex, with a 3 ton bite and long-time King of the

    這是比T-rex更強的咬合力,有3噸的咬合力,長期的王者之氣。

  • Chompers.

    Chompers。

  • Of Course Megalodon needed that bite force and huge teeth, because its primary prey was

    巨齒鯊當然需要這種咬合力和巨大的牙齒,因為它的主要獵物是

  • whales.

    鯨魚。

  • No, we're not talking about baby whales like the way great whites and other predators will

    不,我們談論的不是像大白鯊和其他捕食者那樣的小鯨魚會

  • sometimes kill- a baby whale wouldn't have been worth the calories expended to hunt it

    有時會殺了--小鯨魚也不值得花費卡路里去獵殺它

  • down and eat it.

    下來吃吧。

  • We're talking about full-sized whales as big as modern humpbacks.

    我們談論的是與現代駝背一樣大的全尺寸鯨魚。

  • Only prey that big could possibly satisfy Megalodon's ravenous appetite, though the

    只有那麼大的獵物才可能滿足巨齒鯊的貪婪的胃口,儘管

  • young would have hunted smaller prey such as seals, dolphins and sirenians- animals

    年輕人會獵殺較小的獵物,如海豹、海豚和海妖--這些動物。

  • such as dugongs and manatees.

    如儒艮和海牛。

  • Basically if you entered the ocean 20 million years ago, you ran the risk of being eaten

    基本上,如果你在2000萬年前進入海洋,你就有被吃掉的風險。

  • by a Megalodon at some stage of its life- absolutely nothing was safe from this incredible

    在其生命的某個階段被巨齒鯊咬過--絕對沒有任何東西能在這種不可思議的情況下倖免。

  • predator.

    掠奪者。

  • But surely the biggest animals to ever live would have been safe from Megalodon, right?

    但有史以來最大的動物肯定不會受到巨齒鯊的傷害,對嗎?

  • The largest animal to ever live is the Blue Whale, which can have sizes up to 100 feet

    有史以來最大的動物是藍鯨,它的尺寸可以達到100英尺。

  • (30 meters) in length.

    30米)的長度。

  • That's roughly 25% bigger than a Megalodon- but to a Meg a modern blue whale would have

    這大約比巨齒鯊大25%,但對巨齒鯊來說,現代藍鯨會有

  • been nothing but a buffet.

    除了自助餐,什麼都沒有。

  • Not only could the Meg's powerful jaws take massive bites out of a blue whale, but it's

    梅格的強大顎部不僅可以大口咬住藍鯨,而且它的

  • believed that Megalodon hunted larger whales by biting off their flippers in a drive-by

    認為巨齒鯊是通過咬掉大型鯨魚的鰭來獵取它們的魚鰭的。

  • style attack.

    式攻擊。

  • The whales would be left stranded and swimming in circles, leaving Megalodon to finish its

    鯨魚會被擱淺,在圈子裡游泳,讓巨齒鯊完成它的

  • meal at its leisure.

    悠閒地用餐。

  • Smaller whales were simply bitten in half by Megalodon's crushing jaws.

    較小的鯨魚只是被巨齒鯊的碎顎咬成了兩半。

  • What about the biggest predators to ever swim the seas?

    有史以來在海上游泳的最大掠食者呢?

  • How would they have fared against a Megalodon?

    他們在面對巨齒鯊的時候會有怎樣的表現?

  • The Tylosaurus was a species of Mosasaur, and nature's answer to spreading the terrifying

    翼龍是摩沙龍的一種,也是大自然對傳播可怕的

  • power of dinosaurs to the oceans.

    恐龍對海洋的力量。

  • Reaching a length of 50 feet (15 meters), Tylosaurus would have rivaled the average

    翼龍的長度達到了50英尺(15米),可以與一般的龍相媲美。

  • Megalodon in size.

    巨齒鯊的尺寸。

  • But Tylosaurus didn't hunt animals as big as whales, and stomach remains have shown

    但泰爾龍並不獵殺像鯨魚一樣大的動物,胃部的殘骸顯示

  • that it ate smaller mosasaurs, plesiosaurs, fish, and sharks.

    它吃的是較小的摩沙龍、普雷西奧龍、魚和鯊魚。

  • The largest teeth discovered size at just over 2 inches (5 cm), which would have been

    發現的最大的牙齒尺寸剛剛超過2英寸(5釐米),這應該是

  • like bringing a switchblade to the Megalodon's machete fight.

    就像帶著彈簧刀去參加巨齒鯊的砍刀比賽。

  • Simply put, the only ocean predator that could rival a Megalodon was another, bigger Megaladon.

    簡單地說,唯一能與巨齒鯊匹敵的海洋掠食者是另一個更大的巨齒鯊。

  • But, if the Meg was the absolute pinnacle of predator evolution, then why did it die

    但是,如果梅格是捕食者進化的絕對巔峰,那麼它為什麼會死?

  • out?

    了嗎?

  • And could it still live today?

    而它是否還能活到今天?

  • Scientists have proposed that Megalodons were wiped out due to one of two events 2.6 million

    科學家們提出,巨齒鯊被消滅的原因是兩個事件中的一個,即260萬年前的一個事件。

  • years ago.

    幾年前。

  • One Meg Killer was believed to be a supernova explosion near the earth, which would have

    一個 "梅格殺手 "被認為是在地球附近發生的超新星爆炸,這將導致

  • showered the planet with deadly radiation.

    給地球帶來了致命的輻射。

  • Smaller animals, and those living at greater depths in the ocean, would have been less

    較小的動物,以及生活在海洋深處的動物,將不那麼

  • affected by the radiation washing over the planet, as their smaller bodies would have

    受到地球上輻射的影響,因為他們較小的身體會有

  • absorbed less of it.

    吸收得比較少。

  • However, the massive Megalodons would have been exposed to massive doses of radiation,

    然而,龐大的巨齒鯊會暴露在大量的輻射中。

  • causing untold genetic harm- maybe even outright death.

    造成難以言喻的遺傳傷害--甚至可能直接死亡。

  • As the big sharks died off around the world, or passed down damaged DNA, the entire lineage

    隨著大鯊魚在世界各地的死亡,或傳下受損的DNA,整個血統

  • would have slowly died off over time.

    會隨著時間的推移慢慢消亡。

  • The next Meg-killer, and perhaps working in conjunction with a supernova, was believed

    下一個Meg殺手,也許與超新星一起工作,被認為是

  • to be climate change.

    是指氣候變化。

  • The earth goes through regular cycles of warming and cooling- and no, the earth is not in a

    地球會經歷有規律的升溫和降溫週期--不,地球並不在一個特定的環境中。

  • natural warming cycle now so if you're a climate change denier, you can just stop it with the

    現在的自然變暖週期,所以如果你是一個氣候變化的否認者,你可以直接用它停止

  • bad science.

    壞的科學。

  • In fact, the earth was well on its way to another ice age before the industrial revolution.

    事實上,在工業革命之前,地球就已經在走向另一個冰河時代了。

  • 2.6 million years ago the Earth experienced one of these cooling cycles, and as oceans

    260萬年前,地球經歷了一個這樣的冷卻週期,由於海洋

  • cooled the Meg's hunting ranges began to shrink dramatically.

    冷卻後的梅格的狩獵範圍開始急劇縮小。

  • Overcompetition for smaller amounts of prey would have led to an ecosystem collapse which

    對少量獵物的過度競爭會導致生態系統的崩潰,而這種崩潰會導致

  • would have killed off the Meg while allowing smaller, more adaptable sharks to survive.

    這將殺死巨鯊,同時允許更小、更適應的鯊魚生存。

  • However, both of these theories are now believed to be incorrect.

    然而,這兩種理論現在都被認為是不正確的。

  • New data shows that Megaladon probably went extinct a full million years earlier than

    新的數據顯示,巨齒鯊的滅絕時間可能整整早了一百萬年。

  • thought- at a date that just happens to coincide with the arrival of the predator that to this

    思考--在一個恰好與捕食者的到來相吻合的日期,對這個

  • day makes you scan the waves around you every time you take a dip in the ocean.

    日子讓你每次在海里泡澡時都要掃描一下週圍的海浪。

  • That's right, the Great White Shark, and as soon as it showed up on the scene it meant

    沒錯,就是大白鯊,它一出現在現場,就意味著

  • serious trouble for Meg.

    對梅格來說是個嚴重的麻煩。

  • That's because while much, much smaller, Great Whites are believed to have outcompeted young

    這是因為儘管大白鯊的體型要小得多,但據信它已經超過了年輕時的競爭。

  • Megalodon for prey.

    巨齒鯊為獵物。

  • With young Megs unable to feed, the entire species would have collapsed.

    由於年輕的梅格斯無法進食,整個物種就會崩潰。

  • Other data shows that at the height of Megalodon's reign, whales actually began to evolve to

    其他數據顯示,在巨齒鯊統治的高峰期,鯨魚實際上開始進化為

  • become smaller- possibly because being smaller proved to be an advantage during the reign

    變得更小--可能是因為在統治時期,較小的體積被證明是一種優勢。

  • of the largest sea predator to have ever lived.

    有史以來最大的海洋捕食者。

  • Megalodon's size can be misleading- while it absolutely could have eaten anything in

    巨齒鯊的尺寸可能會被誤導--雖然它絕對可以吃下任何東西,但它也會吃下任何東西。

  • the ocean, only large prey could have satisfied Megalodon, and prolonged chases for smaller

    在海洋中,只有大型獵物才能滿足巨齒鯊的需求,而長期追逐較小的獵物則會使巨齒鯊的生存能力下降。

  • prey could actually result in a calorie deficit even if the hunt was successful.

    獵物實際上可能導致卡路里不足,即使狩獵是成功的。

  • With its main food source shrinking in size, and Great White Sharks out competing young

    隨著其主要食物來源規模的縮小,以及大白鯊在年輕時的競爭中勝出

  • Megs, the fate of the largest sea predator to ever live was sealed.

    梅格斯,有史以來最大的海洋掠食者的命運被確定了。

  • Or was it?

    或者是嗎?

  • Could Meg exist today?

    梅格今天會存在嗎?

  • Throughout history there have been sightings of giant sharks, and while many of these are

    縱觀歷史,人們曾目睹過巨鯊的身影,雖然其中許多是

  • almost certainly nothing but fish tales, some beg the question if Megalodon is still with

    幾乎可以肯定的是,這只是魚的故事,有些人提出了一個問題,即巨齒鯊是否還在這裡?

  • us.

    我們。

  • In 1875 the British ship HMS Challenger discovered a pair of Megalodon teeth which were dated

    1875年,英國的 "挑戰者 "號輪船發現了一對巨齒鯊的牙齒,這些牙齒的日期為

  • by studying the layers of manganese dioxide built up on the teeth.

    通過研究牙齒上堆積的二氧化錳層。

  • The date the examination arrived at stunned all who reviewed- and confirmed- the results:

    考試的日期讓所有審查-和確認-結果的人目瞪口呆。

  • this particular Megalodon had died between 11,000 and 24,000 years ago.

    這條特殊的巨齒鯊在11000年至24000年前死亡。

  • Right as humans were discovering agriculture, anyone taking a dip in the sea could have

    就在人類發現農業的時候,任何在海里泡澡的人都可能有

  • been prey to this Megalodon.

    是這條巨齒鯊的獵物。

  • Modern analysis however has cast this discovery in serious doubt.

    然而,現代分析使這一發現受到嚴重懷疑。

  • While the date has not been disproven, we now know that the incredible resilience of

    雖然這個日期還沒有被推翻,但我們現在知道,令人難以置信的復原力是

  • shark teeth to erosion can make it extremely difficult to date them accurately.

    鯊魚牙齒受到侵蝕,會使準確確定它們的日期變得非常困難。

  • Australia is well known for its shark populations, but it might just be home to the mighty Meg

    澳洲以其鯊魚數量而聞名,但它可能只是強大的Meg的家。

  • itself.

    本身。

  • In 1981 Australian naturalist David Stead interviewed a group of fishermen that all

    1981年,澳洲自然學家David Stead採訪了一群漁民,他們都是

  • but swore off ever returning to the sea.

    但他發誓再也不回大海了。

  • According to the men, a massive shark surfaced as they were hauling their crayfish pots on

    據這些人說,當他們把他們的小龍蝦盆子拖上岸時,一條巨大的鯊魚浮出水面。

  • board, and took several of the pots whole into its massive mouth.

    它把幾個罐子整個塞進它的大嘴裡。

  • The strength of the animal was so incredible that it actually took the floats supporting

    動物的力量是如此令人難以置信,以至於它居然把花車支撐起來了。

  • the 3-foot crayfish pots into the depths with it.

    3英尺長的小龍蝦罐子也隨之進入深處。

  • The men swore to authorities that the water seemed to 'boil' as the shark surfaced, and

    這些人向當局發誓,當鯊魚浮出水面時,水似乎'沸騰'了,而且

  • that the animal was definitely not a whale.

    那隻動物絕對不是鯨魚。

  • Just two decades earlier though, another sighting of a shark of similar size had occurred.

    不過,就在二十年前,還發生了另一起看到類似大小的鯊魚的事件。

  • In the 1960s an 85 foot (26 meters) shipping vessel was forced to weigh anchor while the

    在20世紀60年代,一艘85英尺(26米)的運輸船被迫起錨,而

  • engine underwent repairs.

    發動機進行了維修。

  • The crew on board was stunned to see a massive shark nearly as big as their ship swim lazily

    船上的船員驚呆了,他們看到一條几乎和他們的船一樣大的巨大鯊魚在懶洋洋地游泳

  • past, and swore on their lives the animal had not been a whale.

    他們以自己的生命發誓,那動物不是鯨魚。

  • Australia is not the only place with possible Megalodon sightings though, and for anyone

    不過,澳洲並不是唯一可能出現巨齒鯊蹤跡的地方,對於任何人來說

  • planning a vacation to Mexico's sunny coasts, you may want to think twice about getting

    計劃到墨西哥的陽光海岸度假,你可能要三思而後行。

  • in that water.

    在那個水裡。

  • For decades fishermen in the area have told tales of the Black Demon of Cortez, which

    幾十年來,該地區的漁民一直在講述科爾特斯黑魔王的故事。

  • is a massive shark that roams the waters off Mexico's Baja coast.

    是一種在墨西哥巴哈海岸附近水域遊蕩的巨大鯊魚。

  • The shark has very dark coloring- almost black- and has been reported to be as large as 60

    這種鯊魚有非常深的顏色,幾乎是黑色的,據報道,它的體型有60釐米大。

  • feet (19 meters), with a tail that sticks five feet out of the water as the shark swims

    英尺(19米),當鯊魚遊動時,尾巴伸出水面5英尺。

  • along the surface.

    沿著表面。

  • That would definitely put it in Megalodon territory, and while many claim that fishermen

    這肯定會使它進入巨齒鯊的領域,雖然許多人聲稱漁民們

  • are simply seeing whale sharks, those who have seen the beast for themselves know better.

    他們只是看到了鯨鯊,而那些親眼見過鯨鯊的人則更清楚。

  • Mainstream science however is not convinced, and according to authorities on the matter,

    然而,主流科學並不相信,而且根據有關當局的說法。

  • there is no chance that Megalodon still exists.

    Megalodon不可能仍然存在。

  • Such a massive shark would have drawn much more attention by now, and the carcasses of

    如此巨大的鯊魚現在會引起更多的關注,而其屍體

  • its victims would have been discovered with corresponding, massive bite marks.

    它的受害者會被發現有相應的、巨大的咬痕。

  • What's more, because shark teeth are continuously growing and being replaced, we would have

    更重要的是,由於鯊魚的牙齒在不斷生長和更換,我們會有

  • found ample evidence of very recently deposited shark teeth, with no ambiguity to their date.

    發現了大量最近沉積的鯊魚牙齒的證據,對它們的日期沒有任何歧義。

  • But the ocean is a very big place, and humanity is still very ignorant about what actually

    但是,海洋是一個非常大的地方,而人類仍然非常無知,不知道什麼是真正的海洋。

  • prowls our planet's waters.

    徘徊在我們星球的水域。

  • If a population of Megalodons did survive, how could you possibly survive an encounter

    如果一群巨齒鯊真的存活下來,你怎麼可能在遭遇到巨齒鯊時存活下來?

  • with one?

    用一個?

  • Well, lucky for you, you'd probably survive an encounter with a Meg just fine- as long

    好吧,你很幸運,你可能會在與梅格的遭遇中倖存下來,只要

  • as it was a fully grown adult.

    因為它是一個完全成熟的成年人。

  • Simply put, you're too tiny compared to the mighty meg to be worth the effort of eating,

    簡單地說,與強大的巨無霸相比,你太渺小了,不值得費力去吃。

  • as these giant sharks would be on the lookout for truly hunger-satisfying prey like humpback

    因為這些巨鯊會尋找真正能滿足飢餓感的獵物,如座頭鯨。

  • and sperm whales.

    和抹香鯨。

  • Have you ever seen a wildlife documentary on sharks and spotted all the small fishes

    你是否曾經看過一部關於鯊魚的野生動物紀錄片,並發現了所有的小魚

  • swimming alongside a great white, completely unbothered?

    在大白鯊身邊游泳,完全不受影響?

  • That's basically what you would be to a fully grown Megalodon- just another insignificant,

    這基本上就是你對一個完全長大的巨齒鯊來說,只是另一個無足輕重的人。

  • if very weird fish.

    如果非常奇怪的魚。

  • However, to a juvenile Megalodon, you would be an easy meal, and until the animal reached

    然而,對於幼年的巨齒鯊來說,你將是一個簡單的食物,而且在動物達到一定程度之前

  • at least 10 years in age humans would very much be on the menu.

    至少10年以上的人類將被列入菜單。

  • Given Megalodon's large diet, unlike a Great White young Megs would likely have no problem

    鑑於巨齒鯊的大量食物,與大白鯊不同,年輕的巨齒鯊可能沒有問題

  • with eating humans.

    與吃人。

  • Today, Great White attacks are rarely fatal, and almost always a case of mistaken identity-

    今天,大白鯊的攻擊很少是致命的,幾乎總是誤認的情況。

  • aside from your mom we simply don't have enough fat content to be worth the effort of eating,

    除了你媽媽之外,我們根本沒有足夠的脂肪含量,不值得吃。

  • and a Great White would rather eat itself a plump seal.

    而大白鯊寧願自己吃下一隻豐滿的海豹。

  • However, if forced to compete for food, young Megs might have no problem with actively hunting

    然而,如果被迫為食物而競爭,年輕的Megs可能對積極狩獵沒有問題

  • and eating human beings.

    和吃人。

  • And given that a young Meg was likely indistinguishable from a Great White, modern accounts of killer

    鑑於年輕的梅格很可能與大白鯊沒有區別,現代人對殺手的描述是

  • sharks may just be juvenile Megalodons getting an easy meal.

    鯊魚可能只是幼年的巨齒鯊在輕鬆地吃東西。

  • While science doesn't believe its possible, history's greatest aquatic predator may just

    雖然科學界認為這不可能,但歷史上最偉大的水生捕食者可能只是

  • be lurking somewhere out there in the unimaginable depths of the sea.

    潛伏在某處無法想象的大海深處。

  • Maybe if you're lucky, you'll find out for yourself one day... though it'll likely be

    如果你幸運的話,也許有一天你會自己發現......儘管這很可能會是

  • a very... fatal discovery.

    一個非常......致命的發現。

  • Now go watch You vs The Meg- How Can You Defeat And Survive It?, or click this other video

    現在去看《你與梅格--你如何才能打敗它並生存下去》,或點擊這個其他視頻

  • instead!

    而不是!

It's the largest ocean predator that ever lived.

它是有史以來最大的海洋捕食者。

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巨齒鯊與現代鯊魚--它們究竟如何比較? (MEGALODON vs MODERN DAY SHARK – How Do They Actually Compare)

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    Summer 發佈於 2021 年 05 月 14 日
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