Night.

It was getting dark.

After dinner, the Lixia turned on the fish trap lantern to see if it could attract a school of fish.

But after a few hours of driving, only a few fish gathered.

The Shengyuan floated on the sea.

The wind picked up at night, and the fishing boat turned on the stabilizer, but it still shook violently.

However, Chen Yuan slept soundly and woke up the next morning.

In the cabin, Yang Xun was sleeping on a bench, and He Fei was preparing breakfast on the back deck.

This time I came out in a hurry, so I only brought a few cans of lard.

At night, it was Yang Xun, and He Fei was on night duty. Last night, the Lixia turned on the fish trap lights, and only a few fish gathered.

Yang Xun and the others were bored at night, so they caught a few with fishing rods.

Fish porridge was cooked in the morning. Z.br>

"Is it ready?" Chen Yuan walked over.

"Right now."

Chen Yuan went back to wash his face and brush his teeth, and then came out, the fish porridge had already been cooked.

He Fei also woke up and pulled the dragon gate array with Zhou Sheng.

After eating, Chen Yuan went to the wheelhouse of the Lixia, looked at the ocean currents and meteorological data in Xisha and Nansha, and then returned to the Shengyuan and set off to look for fish.

Chen Yuan's speed is more than eighteen knots, in order to save fuel.

The Lixia can run at a speed of about 20 knots, but in order to save fuel, it usually only runs 14 or 15 knots.

Not long after departure, the Lixia was left behind by Chen Yuan and them.

However, Chen Yuan and the others had to look everywhere, and until after three o'clock in the afternoon, the distance between the Lixia and the Shengyuan did not exceed 10 nautical miles.

No seabirds were seen, and no floating fish were found.

The weather today is very good, the sea is rippling with microwaves.

Chen Yuan released the drone again, the longitude and latitude 00rtk drone, with a maximum flight time of 55 minutes.

However, every time Chen Yuan releases the drone, it flies for about 40 minutes at most.

The maximum flight altitude is 7000 meters, and the maximum flight speed is 23 meters per second.

This is almost the best drone that Chen Yuan can buy on the market.

When the drone rises to an altitude of about 2,700 meters, the sensors carried on the drone receive a dense signal.

"Stop the ship." Chen Yuan shouted.

After driving a boat for a day, Zhou Sheng was so bored that his eggs hurt, and when he went out to sea, he looked at the Shengyuan, and he was uncomfortable anywhere. It just feels too oppressive in the cabin.

Now that the sun is shining, he is still controlling the fishing boat on the bridge outside the cabin, and when he heard Chen Yuan's voice, Zhou Sheng hurriedly slowed down: "There are fish?"

Chen Yuan controlled the drone to reduce the altitude, and at 2,650 meters, the biological signal source was a little weaker, and then controlled the drone to fly horizontally to find the location of the signal source: "There are fish, there are a lot of them. Tell the Lixia to come over at full speed."

Zhou Sheng hurriedly ran back to the cabin and contacted Lin Xinmin: "Uncle Xinmin, I received a reply."

"Roger." Lin Xinmin heard Zhou Sheng's anxious tone: "Something's wrong."

"Fish, big fish. Your fishing boats are fast approaching us."

Lin Xinmin waved his arm excitedly: "Okay, let's rush over at full speed." Are there any other fishing boats around you?"

"There's a small fishing boat, but they shouldn't have found any fish. Come quickly."

"Can you estimate the number of fish?"

"Chen Yuan said that it is a large school of fish, and it is estimated that it is okay, and there are a lot of fish in number." Zhou Sheng glanced at the monitor and said, "Dense biosource signals."

Chen Yuan had already found the location of the fish, at two o'clock, at least five kilometers away.

An old trawler could be seen on the sea, located at eight or nine o'clock in their direction, several kilometers away.

That is, the fishing boat is at least 10 kilometers away from the fish. The fishing boat did not go in the direction of the fish, that is, it was a school of ownerless fish.

"Set sail and take a look.

Chen Yuan looked up at the sky, and his eyesight was a slightly larger black dot when he looked at the drone.

And Zhou Sheng's eyesight has long been unable to see the drone.

Zhou Sheng pushed the throttle lever and drove the horsepower to the maximum.

Chen Yuan controlled the drone to descend to a height of 1,000 meters, and the signal source disappeared...... This shows that the fish are still a lot away, estimated to be eight kilometers away.

There are flying remote sensing fish scouts, looking for fish, it's like cheating.

However, remote sensing fish scouting also has disadvantages, if you fly too high and receive too many biological signal sources, the picture signal will be very dense.

This is a deep water area, and there are relatively few scattered fish, and there are suddenly a lot of signal sources on the screen, so you can judge that there are schools of fish around.

The drone descended to a high speed of about 200 meters, and Chen Yuan locked onto the fish: "A big school of fish."

"How many?"

"Quite a lot. But I don't know what kind of fish it is...... If it's sardines, it's a small profit."

"What if it's tuna?"

"If it's tuna, get rich." Chen Yuan also relaxed and laughed.

Tuna, it depends on what kind of tuna it is.

There are only a few big schools of fish in Xisha and Zhongsha, sardines, mackerel, bonito, and pomfret.

In terms of the size of the fish, unless it is a mixed school, the fish that can be excluded is pomfret.

Pomfret also like to be in schools, but they are not very large.

The bonito spawning season is from March to August, and now in mid-October, it is unlikely that a large number of skipjack tuna will gather.

In terms of the density of signal sources, sardines are most likely to be used.

However, the clustered sardines easily attract birds, but there are no birds here.

The rest is mackerel.

As for yellowfin tuna, the number of fish is too large to be able to have yellowfin tuna in terms of the signal source received.

"Don't think about it, it can't be tuna." Chen Yuan became excited: "I hope it's mackerel. If it's mackerel, it's at least a few hundred tons, or even thousands of tons, bigger than that."

If it's mackerel, you'll make a fortune if you go down this net.

The main reason why Chen Yuan was excited was because he didn't see a flock of birds. Then there is a high probability that it is mackerel.

Although mackerel also attracts flocks of birds, it is not so tempting to flocks of birds.

Or mixed schools of fish.

Small schools of fish attract large fish to hunt, just like a school of squid that was found before attracts tuna.

"Thousands of tons of mackerel?" Zhou Sheng wondered.

"Don't crow's mouth." Chen Yuan looked at the monitor: "I finally found a big school of fish."

When he was about to reach the location of the fish, Chen Yuan asked Zhou Sheng to stop the boat, put the drone away, and then placed the sensor carried by the drone on the bow of the fishing boat.

"Has the fish scout been opened?" Chen Yuan put away the drone and said.

"It's opened." Zhou Sheng said, "No big fish were found. Not even a small fish ......."

"It's still far from the fish."

Zhou Sheng started the fishing boat again and drove over at full speed.

When I came to the periphery of the fish, the fish scout finally appeared in the fish, and these fish were very small.

"Sardines?" Zhou Sheng said.

Chen Yuan waved his hand vigorously, venting his frustration: "I guess it is, but why didn't there be any birds coming to hunt."

"Shiro is happy."

"There are a lot of fish, but there is still money to be made."

Chen Yuan was also a little disappointed, there were no flying birds, how could it be a large school of sardines?

Chen Yuan's fishing boat is on the periphery of the fish, and if they enter the fish, they will disturb the fish, so they can only observe on the periphery.

This school of fish is very large, and I am afraid that I will disturb the fish by entering the central area.

"Are you sure what kind of fish it is?" Lin Xinhai's voice came from the radio.

"It's supposed to be sardines."

Lin Xinhai was a little disappointed

"Are there any other fish?"

"I haven't found it yet. We only observed on the periphery, not deep inside, and got too close for fear of disturbing the fish." Zhou Shengdao.

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