Soon, the crew members, who had rested well, went into the sea again and continued their collection work.
This time, Xiang Yang also went to help. He selected some mature and larger agar-agar from the seabed and transported them to the surface, and then asked the people who stayed on the boat to pull the agar-agar up from the seabed.
Of course, Xiang Yang didn't do this all the time.
After Xiang Yang made two trips and found that the crew under the leadership of Chen Qingsheng were able to complete the job very well and that he was not needed here at all, he immediately stopped actively collecting the agar.
After he had some free time, Xiang Yang swam towards the mysterious sea covered with white frost again.
This time, Xiang Yang did not go directly to the bottom of the sea. Instead, he swam above the sea first, then lowered his head and looked down at the sea. He wanted to take a good look at the bottom of the sea.
To be honest, the mysterious white frost covering the bottom of this sea is very extensive. It is a vast expanse of white on the seabed, just like ice and snow. Looking down from above, it is very spectacular and beautiful, just like a person is looking down at the Greater Khingan Range in winter from high in the sky.
"Could these things be coral polyps?" Xiang Yang wondered in his heart.
Whether it is the super-large sea cucumber that Xiang Yang discovered before, or the small sea fish that are now swimming in the white, they all prove that these white frosty substances are not toxic substances, at least for most marine life, they are not toxic substances.
But Xiang Yang really couldn't figure out what these white things were.
Xiang Yang knew that some coral polyps were white.
However, these white frosty substances do not look like coral polyps.
Besides, these white things are like snow, and it is impossible for coral polyps to live so densely.
Forget it, let’s ignore these white things for now and look for any rare catches.
Xiang Yang began to wander around under the sea.
Although Xiang Yang did not find the second plum blossom sea cucumber, he discovered that the species under this sea area are still extremely rich.
A large number of conches are hidden under the white frosty substance.
Because the conch itself is white, it is difficult for ordinary people or marine creatures to find those hidden conchs.
Xiang Yang also discovered it after looking at it carefully.
Moreover, there are many precious species among these conchs.
Xiang Yang even saw a living nautilus. The little guy was twisting and turning in the sea, swimming in the water like a spinning top.
Maybe when Xiang Yang discovered the Nautilus, the Nautilus also discovered Xiang Yang.
It suddenly stopped swimming, and then sank towards the bottom of the sea at the speed of natural falling, landed on the white seabed, and then lay there, motionless.
Xiang Yang smiled slightly and swam towards the Nautilus.
Although this kind of snail is now very rare and catching it is strictly prohibited in every country, there is no harm in Xiang Yang swimming over to take a look, as he is not going to catch it anyway.
Xiang Yang swam to the side of the nautilus, then squatted down and looked carefully at this small snail that was not even as big as a palm.
After staring at the nautilus for a long time, Xiang Yang found that the appearance of the nautilus was a bit like a fossil of an chrysanthemum, and it seemed to be a little different from the ordinary nautilus shell.
In fact, the Nautilus evolved from the chrysanthemum fossil.
There were many creatures in prehistoric times that no longer exist. Some of these prehistoric creatures relied on their strong vitality to survive several major earth disasters and survive to the present day.
However, these ancient creatures that exist today actually look very different from their prehistoric ancestors.
The Nautilus is such an ancient creature.
The ancestor of the Nautilus is the chrysanthemum fossil.
Xiang Yang once saw a picture of a huge chrysanthemum fossil in a textbook. At that time, Xiang Yang was very surprised. What kind of creature could have a shell so huge that a person could almost fit in it
The ammonite is a cephalopod, which means its feet are on its head, just like a squid. It is also a shelled mollusk. In fact, ammonites have always been mysterious creatures in human history.
The English scientific name of ammonite comes from an ancient Egyptian god called Amun. The image of Amun created by the Egyptians is a god with sheep horns or a sheep head, and the shape of ammonite happens to be very similar to sheep horns.
At that time, many scholars directly called ammonite the horn of the god Amun, and believed that ammonite was a sacred stone with magical power to exchange for the future.
In medieval England, ammonites were called snakestones.
Westerners at that time believed that the appearance of ammonites looked very much like a headless snake, so there was a local legend that ammonites were headless snakes whose heads were chopped off by Saint Hilda.
At that time, there was a legend that wizards could use ammonites to awaken sleeping gods.
In fact, the main reason why there are so many strange legends about ammonites, in addition to its appearance, is that humans have very limited understanding of this creature. This is because ammonites originated 400 million years ago, but became extinct with the dinosaurs about 66 million years ago.
Therefore, the creature of chrysanthemum fossils appears to humans in the form of fossils.
In the past, humans had limited ability to study fossils, so they had so many imaginations. Now scientists have learned from its fossils that ammonites are carnivores that mainly use their tentacles to hunt fish or crustaceans.
Tooth marks are often found on the fossils of ammonites. Scientists infer that these tooth marks came from the biggest natural enemy at the time, the Canglong. At the same time, scholars have also found ink on the fossils of ammonites, from which they infer that ammonites, like octopuses, can avoid natural enemies by spitting ink.
Of course, it is also possible that many years ago, squids were part of the diet of the chrysanthemum fossils, and the ink in the chrysanthemum fossils was actually food residue.
As far as Xiang Yang knows, the shells of female ammonites are usually larger than those of males, probably to facilitate egg-laying. At the same time, their shells come in many types. In addition to the most common spiral shape, ammonites also have long strips, towers, and even exaggerated irregular shapes.
Moreover, the size of the ammonite shells also varies greatly. Some shells are less than one centimeter, while some shells grow to more than two meters like giant sea monsters.
Germany has discovered giant ammonite fossils over two meters in size in North America.
Xiang Yang was a little puzzled. The more he looked at this snail, the more it looked like a fossil chrysanthemum. Even if the Nautilus evolved from a fossil chrysanthemum, Xiang Yang felt that the Nautilus should be very different in appearance from its prehistoric ancestor.