In many people's imagination, the Great Barrier Reef is a circular coral reef, but in fact, it is not the case, the Great Barrier Reef is the longest and largest coral reef group in the world, running through the entire northeast coast of Australia, more than 2,000 kilometers long!
The widest place is more than a hundred kilometers.
In figurative terms, the straight-line distance from Beijing to Haikou is the length of the Great Barrier Reef.
However, with global warming, sea acidification, man-made destruction and other reasons, the current Great Barrier Reef has lost nearly half of the area, many coral bleaching death, in urgent need of protection, if this development continues, in a few decades, I am afraid that the Great Barrier Reef will be gone.
When Xiao Peng and the others flew there, the sea was just at low tide, and a coral reef surfaced, forming a coral island.
Benson landed the plane next to the reef and opened the hatch.
The two pontoons of the seaplane became small platforms.
Benson took down the diving equipment from the plane, Xiao Peng thought that Benson was going to give it to himself, but Benson put it on himself.
Xiao Peng's face was full of helplessness: "Benson, isn't your equipment for us?"
” "Of course not!
This is for my own use.
In addition to being a tour guide, I also have a job as an underwater photographer, and I have to take beautiful photos to sell for money.
Benson said confidently: "You can just have fun here, but you can't dive!"
” "Why can't we dive?"
Yang Meng asked.
Benson looked at Xiao Peng: "If you want to dive deeply, you must have an ao diving license, you dive directly without a license, and I will be responsible if you are caught."
It's really not good, you have an o diving license, I can also let you dive, you don't even have an o diving license, right?
” Xiao Peng was stunned: "Do you still need a license for diving?"
” Benson nodded: "Of course, we are not bad here, you can have an O license, after all, the water here is shallow, if you want to go to Adelaide to dive, you must have a CDAA diving license, I only have an AO license now, I can't go there if I want to!"
You have to level up before you can dive there. ” Yang Meng shrugged: "I don't even know how to swim, and I still have a diving certificate?"
” Benson said, "Oh, you don't need to be able to swim for a diving license." ” "Huh?"
Yang Mengleng said.
"There are so many divers in Malaysia, a quarter can't swim, but people who can't swim are not familiar with the nature of the water and tend to panic when they encounter water, and for a diver, panic is the most terrible enemy, so it's better to be able to swim," Benson said.
When you go back, you can get a PADI diving certificate, and you can get the AO certificate in five days. o Certificates are simpler. ” Xiao Peng asked, "What are these O, AO, and CADD things?"
” "O is an open water diver, the depth standard for diving is eighteen meters, AO is an advanced open diver, five AO courses include deep diving courses, so you can dive to a standard depth of 30 meters, night diving, boat diving, drifting and other diving projects can only be carried out by divers with AO certificates.
CADD, on the other hand, is an advanced level of AO and can dive into caves.
It's very easy to learn a certificate, and I'll take you to learn it when you go back.
Benson said as he put on his wetsuit: "Okay, I'll go down." ” Yang Meng was speechless: ", this is not responsible."
He's going to play with himself?
Throw us here?
” Xiao Peng stretched: "I'm not you, a landlubber, I want to swim." ” Yang Meng snorted coldly: "Lao Tzu go to sleep!"
When I get back, I'll get a diving license.
Xiao Peng took off his clothes, changed into swimming trunks, and plunged into the water.
The first thing he did when he got to the water was to swim near the coral reef and find an anemone fish in the anemone.
That's his ultimate goal!
There are more than 1,500 species of fish, more than 4,000 species of molluscs, and countless marine mammals living in the Great Barrier Reef, and Xiao Peng does not want to let go of such an opportunity to absorb genes!
But the first thing to do is to have the ability to act under the sea.
Of course, even if he has the ability to move as he wants on the bottom of the sea, Xiao Peng can only find some animals to extract animal genes in the diving place, after all, there is Benson on the bottom of the sea here, let him see himself swimming around at the bottom of the sea, so it is strange not to let Benson treat himself as a monster!
Benson didn't dive too deep, but with a light in his hand, he was shooting close-ups of various fish on the reef, and he was holding an underwater camera and chasing a tassel shark to shoot around.
Xiao Peng went around in a circle and ran to the other side of the reef to extract genes.
After Benson finished filming, he returned to the water and saw Xiao Peng lying on the float of the seaplane, with his hands stretched out in the water.
I don't know what to look at.
Benson took off his diving equipment and carefully put it back at the airport: "Xiao, what are you looking at there?"
He was also curious, and came over directly, it didn't matter if he didn't look at it, he was startled when he saw it: "Xiao, hurry up, hurry up and throw it away!"
Don't you want to die?
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” I saw Xiao Peng holding a small octopus only a few centimeters long, which could be the size of a golf ball, with a yellow-brown body surface, and a bright blue ring covered with small rings, which looked very beautiful.
Because of this, it has a beautiful name called 'Blue-ringed Octopus'.
When it comes to life in Australia, you really have to be careful.
There are a lot of highly poisonous creatures in Australia, danger is everywhere, the world's top ten poison list, more than half of them are Australian, directly covering the top three, and this little blue-ringed octopus is one of the three most poisonous animals in the world, its venom can make the victim respiratory failure within ten minutes, and die within thirty minutes, a blue-ringed octopus bite released venom can kill 26 adults, the most terrifying thing is: there is no antidote at present, its sharp mouth can even penetrate the diver's diving suit!
If you see a blue-ringed octopus diving in Australia, you must stay away!
Xiao Peng listened to Benson's words, parted his hands, and the blue-ringed octopus swam out.
Xiao Peng smiled: "The blue-ringed octopus will not take the initiative to attack humans, unless you let them be a huge threat, I just play with it, it's okay!"
” Benson had a bitter face: "You are really tall and bold!"
How do you know if it feels like you're threatening it?
What if I really bite you?
” Xiao Peng said in his heart, it's strange that it can bite me, isn't Lao Tzu trying to extract its genes?
But Benson also cared about himself, so he didn't speak.
Yang Meng stuck his head out of the cabin: "I said buddy, why are so many animals in Australia poisonous?"
You have to be careful of what you see, it's poisonous!
I've had enough!
” "Australia is a separate continental plate, and compared to other continents, Australia has fewer biological species, less competition, and a much slower evolutionary rate, and you see a lot of living fossils in Australia," Xiao explained.
Therefore, birds and mammals, which are known for their flexibility and size, are also underdeveloped.
Many reptiles and even arthropods here have no natural predators, and the pressure for them to survive is not how to prevent capture, but how to improve the efficiency of predation.
Poisoning has become the most effective way to increase the chance of hunting.
And with evolution, captured animals will gradually increase their anti-toxicity, and poisons will continue to increase their toxicity, becoming a competition between toxicity and anti-toxicity, so poisons become more and more toxic. ” Yang Meng frowned: "You're not right, right?"
Our southern China is rich in species, but there are obviously many more poisonous snakes in the south than in the sparsely populated north!
” Xiao Peng smiled: "This is another situation, different from Australia, first of all, snakes belong to ectotherms, and the weather in the north is too cold for their activities, so there are many more snakes in the south than in the north, and the base is different."
Secondly, the structure of the snake is suitable for the rainforest area with complex terrain, you can climb trees and swim, and the dense woods in the south have become a natural living space for snakes, and poisonous snakes are only a part of it, we have more than 200 species of snakes in China, a quarter of them are poisonous snakes, and more than 170 species of snakes in Australia, poisonous snakes account for more than half. ” Yang Meng asked again: "What is the situation in the sea?"
Why is there so much poison in Australian waters?
” The three most poisonous animals in the world, all of which are in the sea, are the Australian box jellyfish, the Australian Ekiterin sea snake and the blue-ringed octopus.
All three of these animals are also found in Australian waters.
Xiao Peng shrugged: "I really don't know this, the wider the ocean space, the more difficult it is to hunt for food."
It is understandable that it is more toxic, in fact, these poisonous animals are not only distributed in Australia, just like the Australian box jellyfish, you have also found it near Taiwan, and Indonesia.
Even Malacca has been discovered.
The Australian Ekiterin sea snake and the blue and yellow octopus have also been found in these places. ” Yang Meng pouted: "It's all from Australia, right?"
” Xiao Peng snapped his fingers: "You're really right!"
We all say sharks are scary.
In fact, on average, less than 10 people die from sharks every year on the entire planet.
Most of them vomit after a bite, but what about poison?
Take the Australian box jellyfish, for example, which stung hundreds of people to death every year. ” "So many people?"
Yang Meng's eyes widened.
Benson, who was on the side, said: "The Australian box jellyfish is what we are most afraid of encountering when diving, they will take the initiative to attack humans, and after being attacked by it, if they do not inject the antidote within four minutes, they will die!"
Now that you're on the beach in Australia, don't go into the water if you see a warning that there may be a box jellyfish in the sea!
Luckily, it swims slowly, otherwise I wouldn't have dared to go into the water here. ” Yang Meng looked surprised: "This thing is so powerful?"
Isn't this thing invincible?
” "That's not it, nature is so magical."
"There are many kinds of sea turtles that will treat the box jellyfish as a delicacy, such as the leatherback turtle, but now that the leatherback turtle is endangered, if they become extinct, the number of box jellyfish in the ocean may grow rapidly, and then it will be more scary," Benson said. ” Yang Meng asked: "I found a little problem after listening to what you said.
You don't seem to be afraid of sharks at all?
” Benson grinned and said arrogantly, "It's normal for us to dive in Australia and run into a shark.
Why be afraid of them?
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” Yang Meng pointed to the sea behind him: "Including them?"
” Benson glanced back, his face changed, and he grabbed Xiao Peng lying on the pontoon: "Hurry up and get on the plane!"
” Xiao Peng didn't know what was going on, he only heard a bang, and he didn't know what hit the pontoon, and Benson couldn't stand on his feet and fell directly into the sea!
"Fierce son, don't move on the plane!"
Xiao Peng instructed, and jumped directly into the sea!
As soon as I got out of the water, I saw several huge black shadows swimming around quickly.
"What the hell, let the sharks surround you?"