The Letter Does Not Believe: The Lie On Piranha Event In Liuzhou

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July 7, Liuzhou, Guangxi, a the piranha very hot events: a man called the dog a bath in the Liujiang by the river to three ferocious fish attack, palm almost Kendiao to a piece of meat. The man reluctantly capture one to take home, check online, and exactly the same in South America, piranha. After the news leaked, July 9, Guangxi fishery sector reward of '000 rounded piranhas. 13, Guangxi fishing action failed, the end reward. Although this series of events created a hubbub, but so far, in addition to the beginning of a piranha caught by the victim to no other harvest. And carefully review the information, you will find this news is not only a lot of doubt, then the media reports exaggerated.

Q: the Liuzhou piranha very hot in Piranha 3 groups of action?

A: According to the news photos, Liuzhou captured species of white saw fat carp (Serrasalmus rhombeus), commonly known as black piranha. Fish territories strong, and very few groups of actions, a small group like the three mentioned in the news, it is unrealistic.

According to the physical characteristics of piranhas in the news in the picture: the fish ...
... body color black white diamond scales, wide-body high-backed, strong jaw prominent and red eyes, you can determine the white saw fat carp (Serrasalmus rhombeus), the common name black piranha black violet piranhas (Redeye piranha) or red-eye piranha (Redeye piranha), commonly known as "black food" in the ornamental fish market. This fish is very popular in South America, are distributed in the Amazon, the Orinoco River basin, Guyana, Venezuela, Peru and other places.

And common sense, piranhas are not only a single species, in fact, piranhas are two large families (Serrasalmus genus and Pygocentrus are hereinafter referred to as S belong and P are) the general term of up to dozens of fish (some scholars that should these fish will be divided into four families: the saw Nie fat carp are Pristobrycon; hip point fat Cyprinus Pygocentrus; the Tajiri saw fat Cyprinus Pygopristis; saw fat carp genus Serrasalmus) because Watershed points different subspecies. News black piranhas belong to S is S is a class of piranhas is different from the characteristics of P of the genus is one of territory and strong, very similar to resist this species of the genus representatives in S black piranha who is more obvious . Black piranha territory, even in the breeding season, male and female fish will attack each other. Tried to the polyculture black piranha aquarium zoo in Duisburg, Germany, and multiply, although the final reproductive success in the huge body of water, but still polyculture Yishi failure ended, including a few of the successful pairing of male and female fish All fish are varying degrees of injuries in the attack each other.

The piranhas of the cluster described in the literature and films action of P belong, mainly red-bellied piranha (P. Nattereri) spots piranha (P. Cariba) and rouge piranha (P. Piraya),. But even P that collective action is a piranha in the following 20 groups also showed similar highly offensive, and three very small groups like the news said, piranhas between often fighting to the bitter end.

Q: piranha will be in the flood season to take the initiative to attack dogs and people?

A: Any kind of piranha on the warm-blooded animals have little interest. In the country of origin, unless it is the dry season food and extremely scarce, or P is a piranha attacks on humans almost no record; S is a black piranha in the news, otherwise it will not attack humans unless humans take the initiative to capture.

Printing and network often spread the piranhas group in tens of seconds or the cows eating dead or food to the bones of the rumors. These rumors often refers specifically to P is a red-bellied piranhas, does not refer to the S genus piranhas and news black food. Even so, these rumors have been the Haier De Queiroz and University of St. Andrews, Anne Ma Gulan papers in biology Bulletin - refuted. Also confirmed that scholars Freeman of Harvard University in 2001 published a paper on the evolutionary history of the piranha piranha is a carnivore and scavenger, but they are often based on plants, fish, insects and some of their own The larger animals for food.

"River Monsters" Jie Miluo White, chapter of the "terrorist piranha inside the person doing the test and found Piranha little interest on the warm-blooded animals, especially without the wounds of warm-blooded animals, basic does not aggressive desire, and even terrifying. "New York Times" published in 2005, has a red-bellied piranhas article to clarify some rumors about it, the article mentioned P case of the piranha often we all know the image of a ferocious hunter . However, new research indicates that the piranha is actually a timid fish, and only them together action by a group to protect themselves., Piranhas have often been the cormorant, the caiman and the finless porpoise attacks. "They're just a bunch of common fish of the larger teeth".

However, the published research piranhas evolutionary history of Suriname in 2005, Dr. thesis on the number of red-bellied piranhas and aggressive piranhas indeed occasionally attack humans, but is generally lower in the water level, food more less density of the fish population settlements in conflict with the fish only occasionally occur. The reports of these attacks human usually took place in the often viscera or offal thrown into the water near the Yue Wan. Even if this kind of fish to be known as "cannibalism" in the title, but also occasionally attack humans, but in fact the report shows that this fish had not been killed extraordinary. And S is a piranha in the case of human beings do not take the initiative to capture, it is hardly very hot record.

Q: piranha in Liuzhou reproduction and the formation of ecological disaster?

A: It 's the the piranhas suitable for the growth temperature is 26 degrees Celsius, the minimum tolerable water temperature is 16 degrees Celsius. Temperature is below 10 degrees in the winter Liuzhou is difficult to survive. In addition, although the piranha has been around is a dangerous alien species, but all over the world, in fact, little piranha species invasion case.

In South America, piranhas are widely distributed in the Amazon River basin, the river Orinoco, Guyana, Paraguay River and Parana River and San Francisco rivers in the domain, the ability to reproduce is also very strong. The piranha cold tolerance is poor, less than 20 degrees no longer have the ability to reproduce, survive below 16 degrees should be challenged. Guangxi near-zero temperatures in winter, there is no piranha living space.

In other countries, due to the the piranhas often as ornamental fish was introduced in the United States piranha was found to flow into the Potomac River, Lake Ozarks, Missouri and Connecticut state temperature Winnebago Lake, there are also reports that, in the Kaptai lake, Bangladesh, people have found that piranhas. However, similar with the situation in Guangxi, piranha found in these places generally live, however the cold winter, did not cause the outbreak of large-scale ecological disaster.

In addition, in South America, piranha is not the top predators in the river, including a large number of natural enemies of other carnivorous fish, predatory birds and freshwater crocodiles and other. Even in China, at an early age, including mandarin fish blackfish almost any carnivorous fish and waterfowl can be it for food, even for adult piranha, its body length does not exceed 50cm (based on Oregon Piranha Exotic Fish Exhibit data) and requires up to 6-7 years of growth. But piranhas no aggressive omnivorous next of kin freshwater pomfret (short cover giant lipid carp Colossomabrachypomum) true invasion of the Chinese rivers, but it does not cause serious ecological disaster, on the contrary, it touches becomes a decade. people became a common food fish a.

Incidentally, the black piranha in the news is actually not cheap: the Brazilian basin black piranha, Brazil banned the export of which is very expensive; Peru basin Black piranha fishing and transportation costs, the price is not cheap; black piranhas in the country and examples of successful breeding. Although there is no further information on the fish belongs to the basin, but a conservative estimate of the black piranha caught the price should be more than one thousand yuan.

The above analysis, we find that is in the flood season with plenty of water Liujiang and attack the fish density in humans is not large (3) Finally, attack the protagonist of a very few groups of activities of S is a Department of piranhas. These factors to consider, statistically, even to the the Guangxi piranha very hot event as the "unlikely event", so completely has reason to be skeptical about the authenticity of the piranha attacks occurred in Liuzhou.Yet another easy way to recognize a Juicy Uk counterfeit on eBay is if the item's location is in China. Juicy Couture Bags is in general a rule of thumb: never purchase designer dresses or purses from China. While some Juicy Couture Uk merchandises are made in other countries, there are none made in China