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Jiang Yichen and dolphin Leqiu dived to the bottom of the water from the lotus stone located in the sea at the southwest end of the island.

In a few moments, they rounded a towering rock reef and reached the end of their journey, the edge of the narrow underwater depression.

As before, entering this area, the water temperature rises significantly and it seems that geothermal heat is still at work.

In the future, when the other facilities on Yunsha Island are almost completed, after freeing up your hands, you can consider exploring and exploiting the nearby geothermal resources, and make one or two artificial hot spring pools on the island, which can not only beautify the environment, but also enjoy it very much.

But this is not something to be anxious about at the moment, so let's think about it slowly later.

Jiang Yichen instructed Leqiu to continue to move forward, while carefully observing the surroundings.

After more than half a year, the environment here has not changed much, it is still a sand and gravel bottom, a cluster of rocks, but those belt seaweed seems to be more luxuriant, high and low, different shades, like all kinds of silk streamers, along the water can not help swaying, thousands of postures.

But Jiang Yichen was not very interested in these things, and his eyes searched the sand and gravel bottom and the surface of the reef for traces of pearl mussels.

Close to the bottom of the sea, due to the complex terrain, it is not very suitable for dolphin movements. So Jiang Yichen slid down from its body, patted the big round head, and motioned for it to play freely nearby.

Leqiu swayed his snout and tail fin up and down a few times, then left, heading for a few pomfret that were wandering not far away, and the pomfret fled in all directions, starting a chase with the dolphins.

Jiang Yichen ignored the battle situation. He swung his flippers face down and continued to explore.

A few minutes later, several large yellow-brown mussels lying on the bottom of the gravel appeared in his sight. The morphological and superficial features are familiar.

With that, it seems that the pearl mussel community here has not been destroyed. Jiang Yichen's mood suddenly became excited.

When I swam closer, I found that the length of these large mussels was 17 or 8 centimeters, in the shape of an asymmetrical triangle on the left and right, with some black radial stripes on the surface, and the two shells were slightly open, and they were crawling slowly.

There is no problem with the variety, but it is a little smaller. Let's leave it for a long time. He let the little ones go and continued to swim on.

After turning two low rocks, the main colony of pearl mussels finally appeared, distributed everywhere on the bottom of the sand and rocks, large and small, and it was estimated that there were thousands of them. It's a busy scene.

Well, now it's time to officially start work. Jiang Yichen urged his mind, checked the iron bucket prepared in the spatial passage, and then began to arrest.

According to the convention, it is naturally a greeting to pick up the big man, after all, the probability of a big clam producing a big bead is higher.

But as far as the eye can see. There still doesn't seem to be a guy with a length of nearly 30 centimeters in the pearl mussel group, and you must know that the five superb large pearls with a diameter of about two centimeters last time were found from the belly of the large mussel of the above size. But then it was never found again.

Forget it, settle for the next best thing, he stretched out his arms. Grab two mussels more than 20 centimeters long and throw them into the space bucket.

These bivalves can only crawl on their feet. It moves slowly, has poor adhesion to rocks, and has no resistance in front of humans, making it very easy to catch.

After catching more than 20 in a row, Jiang Yichen twisted his face and found a dark brown oblong mussel at the bottom of the big black reef beside him, which was 30 centimeters long.

He leaned over happily, only to see a small circle carved into the man's shell, which was clearly the mark he had left before.

Hey, it turned out to be an old acquaintance, and Jiang Yichen was a little disappointed.

However, after thinking about it, this shows that the batch of female mussels that were released after taking the pearls are still alive and healthy, which is undoubtedly a gratifying thing. When she went back and told Xiaojia's sister, she would be very happy.

Jiang Yichen stretched out his finger and tapped lightly on the back of his old acquaintance twice, which was regarded as a greeting, and then left. The big clam was so frightened that he quickly closed his shell and remained motionless.

Before and after, a total of about 70 or 80 female mussels, all of which are more than 20 centimeters in size, it is estimated that there should be no problem in producing a lot of mid-range beads. At that time, coupled with the nourishment of space ice water, a batch of good goods will come into being.

Thinking about it, he was ready to stop. In the face of nature's gifts, remember greed, which is also his consistent principle.

Jiang Yichen turned around and swung his flippers and began to go back, passing by a vigorous shrub-like reddish-brown seaweed community, because a few seaweeds on the side blocked the way, he pulled it with his hand.

I didn't want to just make this one action, but I made a new discovery.

The seaweed swayed back and forth with his gestures, revealing a shallow trench that had been hidden from the roots and the reef, and a cluster of circular clouds was faintly clustered inside.

Ho, there's something else going on. Jiang Yichen then stopped, lowered his body, held the reef with one hand, and pushed the seaweed away again with the other, and approached to take a closer look.

This time, it turned out that there was a small shallow ditch of gravel hidden under the seaweed, and because the seaweed grew densely, it would not be possible to find it if you didn't pay attention to it.

On the bed of the ditch in the small shallow ditch, a bunch of mussels stay there, like a large family, some clustered together, and some scattered in twos and threes.

However, these dongdong are not the same as those mother-of-pearl mussels just now, the body shape is round and fan-shaped, light gray, and the surface has a uniform dark arc pattern.

The smallest of them are more than ten or twenty centimeters long, and the largest ones should be nearly thirty centimeters long.

Hey, what are these? Jiang Yichen's mind searched through the past memories, and there seemed to be no impression.

Although there are many mother-of-pearl mussels in this area, there are only two varieties so far, so is this the third species? It's so hidden.

However, there are thousands of marine species, and it is not surprising that I am not an oceanographic expert, so I have not seen them.

No matter how many you have, if you come here, you will be safe, and you will get some back first. Thinking of this, Jiang Yichen stretched out his arms and began to catch these round fan-shaped mussels, aiming for a large head, and caught a total of about twenty of them.

At this time, the spatial passage was already filled with three iron buckets. Today's harvest is almost over, so let's stop here.

Because Xiaojia's sister pities the life of the female mussel, she has been taking the method of taking pearls, which is inefficient, time-consuming and laborious, and so many goods are enough for her to work for several days.

Jiang Yichen immediately swung his flippers, left the bottom of the sea, and rose to the surface.

Leqiu has been hunting small fish in the vicinity, and this time the kung fu has filled his belly. Seeing Jiang Yichen's whereabouts, he hurriedly chased after him.

Jiang Yichen was not polite, climbed on the back of the dolphin, and commanded it to march in the direction of the lotus pengshi.

Out of the pearl mussel habitat range, the water temperature dropped significantly, as usual, without any change.

At this moment, Leqiu's body suddenly trembled, and at the same time, it made a rapid click, squeak and sharp chirp, and the emotion was obviously restless.

Jiang Yichen had been with it for a long time, and immediately felt abnormal.

He looked around, and it was estimated that it should be around three o'clock in the afternoon, the sun was shining, and the visibility in the surrounding sea was still very high.

A few seconds later, forty-five degrees in front of him, a large dark shadow appeared in his line of sight, which was obviously what made Leqiu nervous and agitated.

Jiang Yichen's heart suddenly tightened, and he hurriedly adjusted his breathing, and then looked at it carefully.

I saw that the big guy was about five meters long; The pointed head has a long snout, and the whole body is longitudinally flattened and parabolic. The pectoral fins are long and narrow, and the dorsal fin is thick and broad, erect upward. The caudal fin is triangular in shape and has a pointed tip at the caudal end.

The most obvious are its eyes, which are large, round, black and white, as if carved on the cheeks.

It turned out to be the big blue shark that had been lingering recently, and this time I finally got a glimpse of the whole picture.

The blue shark is only about thirty meters away from Jiang Yichen and Leqiu, which can be described as a narrow encounter, which is a very dangerous distance, no wonder Leqiu is so uneasy.

The blue shark was swirling and swaying unhurriedly, but everyone knew that if it wanted to attack, it would be able to rush in front of it in an instant, after all, this was not an aquarium with thick tempered glass.

The atmosphere under the water suddenly became tense. (To be continued)