Crocodile eels were highly discussed online during this time, and they were found in lakes and landscape pools in several parts of the country. Whenever they are found, they can cause a big sensation, and the local government will arrest them even if they "make a big move".
For example, in the Central Park of Ruzhou City, Henan Province, in order to catch two crocodile eels, it took more than a month to drain 200,000 cubic meters of lake water, just to catch them. There is also a small area in Taizhou, Jiangsu Province, where the figure of crocodile eels has also been found in the landscape pool, which is also pumped out of the lake to catch it.
Whenever I see such an event, there is always a question, what is the power of the crocodile eel? Is it worth the fuss about it?
Alligator eel is an exotic species known as the "ecological killer"
Many people may have heard of the name crocodile eel during this time, because it is an exotic species and is not native to the mainland.
It is a fish from the Americas, mainly distributed in the gulf coastal rivers and estuarine waters from Mexico to Florida in the United States, and is the largest eel in North America.
Crocodile eel is very large, growing to more than three meters after adulthood, weighing more than 200 pounds, like the 80 cm crocodile eel caught in a landscape pond in Taizhou, Jiangsu Province, it is just a "small doll".
It is somewhat crocodile-like in shape, and its body is covered with hard diamond-shaped glaze scales, because the scales are so hard that the former Indians even used it as a gemstone. Its snout protrudes, its mouth is deeply lobed, and its mouth is full of sharp teeth, like the mouth of a crocodile.
From the outside, this fish is not a good stubble, in fact, it is true, it has the title of "ecological killer".
In a body of water, as long as the crocodile eel is found, if it is not managed, then other fish will inevitably be wiped out, resulting in the collapse of the entire ecosystem.
The alligator eel is ferocious and is a carnivorous fish, and it eats a huge amount of food. It doesn't just eat fish, it's a living thing in the water, it basically eats.
Once a fish pond owner found a crocodile eel more than one meter long in his fish pond, and after half a month, more than 5,000 of his own fish disappeared without a trace, all of which entered the stomach of this crocodile eel.
Crocodile eels are extremely reproductive and their eggs are poisonous
The alligator eel is extremely adaptable to the environment, it can live in fresh water and in brackish water at the mouth of the sea, but in general, they are a freshwater fish.
Crocodile eels are extremely reproductive, and from May to August of each year, they will mate and lay eggs, and can lay 140,000-200,000 pieces at a time. The eggs are pale green, sticky, adhere to aquatic weeds or gravel, and hatch for about 6-8 days.
In its place of origin, due to natural enemies and other reasons, only a very small number can successfully hatch and survive. But on the mainland, because they are alien species, there are no natural enemies, and fish eggs are poisonous, so once the crocodile eel appears and leaves it alone, it will soon flood.
Allowing ferocious alligators and eels to be in the water hurts not only some native aquatic creatures, but also humans. The crocodile eel that appeared in a landscape pond in Taizhou, Jiangsu Province, mentioned above, attacked a boy playing by the pool and bit three of his fingers.
Thanks to this crocodile eel is only a "small fish" weighing more than 10 pounds, if an individual with a body length of more than 1 meter is more than 1 meter, I am afraid that the boy's fingers will be bitten off.
In the midst of the dangers of the alligator eel, the community property and some residents quickly drained the water of the landscape pond and caught the fish. Similarly, after more than a month of efforts, after the water of Yunchan Lake in Ruzhou City, Henan Province, was drained, people also captured two crocodile eels, one male and one male, and treated them harmlessly.
Where do these alligator eels come from?
We all know that there is a strange phenomenon, that is, when a place has a long-term large area of water, it will naturally "grow" fish. In fact, these fish do not grow, in a body of water, if there are fish, roughly the following three situations:
1, artificial release, some places may have some release of the atmosphere, some people will go to the market to buy some birds, snakes or fish, turtles released into the wild, to achieve the so-called "good deeds, accumulation of merit" purpose. Releasing raw fish is the most common and least expensive practice. Most fish reproduce quickly, so naturally they can multiply.
2, water birds brought in, many water birds are migratory birds, have the habit of migration, they are active in a certain area of water, the wet feathers on the body may stick some fish eggs. When it flew to another body of water, it took the eggs with it, eventually hatching some small fish.
3, tornado brought in, many people have seen the natural phenomenon of "dragon water absorption", the principle is that when the tornado wind is enough, it will roll the water to the sky, and the fish in the water are also brought to the sky.
As the tornado wind blows, if the wind comes down, it is not enough to provide enough upward force for these waters and fish, then these fish will naturally fall under the action of gravity. If they happen to fall into a certain body of water, the fish can begin to multiply.
In the case of the alligator eel, its origin is North America, separated from us by the Pacific Ocean, so the possibility of water birds bringing in and wind bringing in is minimal, basically impossible, naturally only the probability of human release is the largest.
Crocodile eels originally flowed into the mainland as pet fish. Its peculiar shape, large size, in line with people's curiosity mentality, coupled with its strong adaptability, easy to feed, as long as the fish tank environment is not too bad, basically will not die. So some people buy alligator eels and keep them as pet fish.
At first, everyone could bear it, but as the crocodile eel grew larger and larger, the daily expensive feed was not affordable for ordinary people. So some people gave up and threw them in the lake and the water.
Release is originally a goodwill act, but do not go against the original intention, do not let the good intention of the action cause bad consequences. For example, over the years, people have released Brazilian turtles, crocodile turtles, scavenger fish, etc., which have brought great trouble to people.
In addition, we advise everyone not to release them at will, because according to the mainland's "Measures for the Management of Invasive Alien Species", no individual or unit may introduce, release or discard alien species without approval.
If an alien species is released in an important body of water, such as the Yangtze River, it is possible to even bear criminal liability.
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