Why do alligator gars appear in China?

Crocodile gar is native to North America, is a freshwater giant carnivorous fish, alligator gar is introduced into China as an ornamental fish, alligator gar mouth is long, mouth full of sharp teeth, special form to meet the consumer's hunting psychology, online ** alligator gar seedlings ** in dozens of dollars or so, individual varieties of adult fish ** up to thousands. Driven by profits, many merchants over-advertise its ornamentality, resulting in more people buying.

Because alligator gars are easier to buy online and offline across the country, and regular sales and purchases will not be illegal, the purchase threshold is low, but alligator gars grow faster, many people buy and raise, the bigger they grow, there is not enough space to raise, so they are released or discarded, resulting in their traces found in the waters of various regions.

Alligator gars appear in China mainly because they are discarded after being introduced as ornamental fish.

There are two main channels for alligator gars. One is that some people introduce it as ornamental fish and then discard it, and the other is the act of releasing it. The alligator gar was once introduced as an ornamental fish, and its special form satisfies the curiosity of consumers, but the alligator gar grows quickly, and many people will discard it because they cannot provide enough space to raise it.

Alligator gar has been introduced to China as an ornamental fish since the 80s of the last century, and in the process, there will be a situation of escaping to natural waters, among which they have been found in many places in Guangdong, and caused a sensation As early as 2014, Guangdong has investigated 21 areas where this alligator gar has appeared, and some places have formed wild alligator gar groups.

Hazards of alligator gars

The alligator gar is a carnivorous fish with a very mixed diet. Almost all the fish in the water can be used as food. The most important thing is that its eggs are green, highly poisonous, and quite reproductive, and can lay about 140,000 eggs at a time.

The eggs are mostly attached to aquatic plants, and the incubation cycle can be hatched in about 6 days, and after hatching, the baby alligator gar can reproduce again when it reaches the age of six. Such fission hatching poses a great threat to freshwater fish.

Gars are large and ferocious fish.

It lives mainly in pure fresh water.

Gars occasionally enter brackish water and prefer to live alone. The eggs are poisonous, green in color, and adhere to aquatic weeds or gravel. After hatching, the larvae are still hanging from the holdings.

The alligator gar is the common alligator we see in the aquarium market, also known as the spindle gar. Native to North and Central America, the crocodile is found in rivers and estuarine waters in Mexico's Gulf of Mexico, to the lower reaches of the Missouri and Ohio rivers in Florida in the United States, and in two lakes in Nicaragua.

They are all gar fish, produced in North America or Central America and other places, mainly inhabiting freshwater, with sharp teeth, are large and ferocious fish, carnivorous. Adult gars can reach a length of more than 3 meters and are large carnivorous and ferocious fish.

Gar (scientific name: lepisosteus oculatus), gar, native to North or Central America. It is closely related to the bowfin fish and belongs to the whole order holostei.

It mainly inhabits freshwater, but some species can enter brackish or even brackish water.

Into brackish water or even brackish water.

The gar has a long cylindrical body, a flattened snout, a long protruding upper and lower jaw, and teeth; **Covered with diamond-shaped hard scales, dorsal and anal fins short, far from the head, located in front of the caudal peduncle, symmetrical up and down, similar in shape and size; The base color of the body is blue-gray, and the body surface is covered with dark markings, and the body color markings and head shape vary depending on the breed. It is a carnivorous fish, which eats a lot and is very ferocious, and belongs to one of the "top ten fierce freshwater fish in the world".

The alligator gar is a giant freshwater carnivorous fish.

For our country, the alligator gar is an alien species. Native to North America, it is a giant freshwater carnivorous fish with an adult body length that can generally grow to meters and has a strong reproductive ability. In addition, it is also a "non-picky eater", as long as it is a living creature in the water, it will eat almost everything; Fish with hard scales that allow it to escape the threat of ferocious predators, so it is at the top of the food chain, and if released into natural waters, it can cause destruction to the aquatic ecosystem.

Alligator gar, also known as lucky crocodile, large finch crocodile, etc., belongs to the order of gar and gar family. Adults are meters long and can reach up to 3 meters in length. They weigh between 45 and 72 kilograms and have a lifespan of between 26 and 50 years, with a recorded maximum of 75 years.

Introduction to alligator gars

The largest of the seven species of gar in North America, it can reach up to 3 meters in length. The alligator gar has a long barrel-shaped body with a crocodile-like snout, two rows of dagger-sharp teeth in the upper and lower jaws, and super-hard enamel scales (as hard as a human tooth). The alligator gar is mainly found in the rivers and estuaries of the Gulf Coast from Mexico to Florida in the United States, the lower reaches of the Missouri and Ohio rivers, and even two lakes in Nicaragua.

The alligator gar is a ferocious carnivorous fish, "as long as it is a living creature in the water, it eats almost everything". Its presence can have a negative impact on the local water ecosystem. It is also aggressive, and it is very likely to attack humans after being frightened, and it is a very dangerous invasive alien species.

Alligator garIt is asAquarium fishIntroduced into China.

The alligator gar is native to North America.

It is a kind of freshwater giant carnivorous fish, the alligator gar is introduced into China as an ornamental fish, the alligator gar has a long pointed mouth, the mouth is full of sharp teeth, the special form satisfies the curiosity of consumers, driven by profits, many businesses carry out excessive publicity on its ornamentality, resulting in more people buying.

Because alligator gars are easier to buy online and offline across the country, the purchase threshold is low, but the alligator gar grows faster, and many people buy and raise it, and the bigger it grows, there is not enough space to raise, so they release or discard, resulting in its traces found in the waters of various regions.

What are the dangers of alligator gars?

1. Strong predation ability

Alligator gar is a kind of freshwater giant carnivorous fish, the body length of the adult fish can generally grow to meters, the alligator gar is a very ferocious fish, and there are no natural enemies in Chinese waters, plus the alligator gar is "not picky", as long as it is a living creature in the water, it almost eats. Alligator gars in natural waters will prey on native fish in large quantities, which can lead to food chains.

Fracture. 2. Strong reproductive ability

The alligator gar is highly reproductive, producing tens of thousands of eggs per year.

3. The growth rate is extremely fast

The alligator gar grows extremely fast, and it doesn't take long for a domesticated alligator gar to grow to a meter, and the alligator gar scales are very hard to protect it, so that it has no natural predators and is at the top of the food chain. Alligator gars have few natural predators in the wild, and if left untreated, they can be harmful to the ecosystems of natural waters.

Causing a bad impact.

There is no alligator gar in China, which is an invasive alien species and is extremely harmful.

Alligator gars are found in the waters of rivers and estuaries along the Gulf Coast from Mexico to Florida in the United States, the lower reaches of the Missouri and Ohio rivers, and two lakes in Nicaragua.

Alligator gars live mainly in pure freshwater, occasionally in brackish water. I like to live alone. The eggs are poisonous, green in color, and adhere to aquatic weeds or gravel. After hatching, the larvae are still hanging from the holdings. The internal organs and eggs of the fish are highly toxic in the early shooting state. Land source.

The alligator gar is an invasive species from the waters of North America, and the reason why it enters the country is because of the ornamental fish. For example, some people want to raise fish, but give up later, and now it appears in many places.

1. What kind of invasive organism is this?

This is actually a very ferocious freshwater fish, which belongs to the top of the current food chain, has a relatively strong reproductive ability, and has no natural predators, so it will cause devastating damage. Nowadays, people like to hunt for curiosity, always like to raise some fish that look very ugly or very **, after raising for a period of time, they feel that there is no fun, they will choose to release, this kind of release is a good thing, but I don't know that it will have a great impact.

2. What are the hazards of this invasive species?

The alligator gar is a very dangerous alien creature at present, and it causes many hidden dangers. First of all, eating everything will even lay a highly poisonous fish egg, which will destroy the ecological balance. It is an invasive organism with strong vitality, with a lifespan of more than 25 years, and can survive both saltwater and freshwater ecosystems, and can also breathe air.

Even if it is out of water, it can effectively survive for more than two hours, so it has long been considered an invasive alien species.

3. Where do they appear now?

According to the survey, alligator gars have appeared in many areas of Guangdong today. In addition, it is found in Shanxi, Fujian, Jiangxi, Guangxi, Jiangsu, Wenzhou, Hunan and other places. After investigation, experts found that the main reason for the appearance in the current market is a channel for ornamental fish, which are now widely reproduced throughout the country.

There are some people who choose to breed, but after a period of time and feel no interest, so they will choose to abandon, this kind of behavior, in fact, it is easy to cause many hidden dangers, and the later may cause a large number of reproduction, so it is recommended that you do not do this.

The alligator gar is endemic to North America.

Therefore, their range is also concentrated in North America, and the alligator gar is distributed on the Gulf Coast from Mexico to the United States, the Missouri and Ohio rivers, Nicaragua, etc.