The biggest carnivorous fish is the rare great white shark. The average adult great white shark is 4.5 meters long and weighs about 650 kilograms. There is evidence that some great white sharks can be more than 6 meters long.
The most dangerous animal
Since the Stone Age, in addition to human deaths caused by wars and accidents, half of the deaths have been attributed to plasmodium carried by mosquitoes belonging to Anopheles. 1997 According to the estimation of the World Health Organization, malaria still causes 150 deaths every year.
The most poisonous animal
The poisonous sword frog in South and Central America can secrete toxic substances. The skin secretion of sword frog is the most toxic. Scientists must wear thick gloves when handling specimens.
The most poisonous snake
The most poisonous snake in the world is the Belcher Sea Snake, which lives around the rocks in the ashmore Islands in the northwest of Australia. It is many times more toxic than any land snake. The most poisonous snake on land is a small snake in Western Australia, which is 1.3 meters long. The venom of a snake can kill 250,000 mice.
The most poisonous fish
The puffer fish in the Red Sea, Indian Ocean and Pacific Ocean have a deadly toxin, which is one of the most powerful non-protein toxins. This toxin exists in the ovary, blood, lung, small intestine and skin of fish, and 0. 1 g is enough to poison an adult within 20 minutes.
The stone fish found in tropical Indian Ocean-Pacific Ocean has the largest poisonous gland, and its fin spines contain toxins, which will kill people if they touch it.
The most poisonous jellyfish
In the past 100 years, the venom of box jellyfish off the coast of Australia has killed at least 70 people. It is said that if there is not enough medicine, some victims will die within 4 minutes. An effective defense tool is women's stockings. Jellyfish stinging organs cannot penetrate this substance.
The most dangerous sea urchin
Toxins released by sea urchins can cause severe pain, dyspnea and paralysis.
The most dangerous bee
Hybrid bees from Africa are not more toxic than other bees, but they are deadly when they sting people in groups.
The most poisonous centipede
There is a dangerous and strange centipede in Solomon Islands, which is very toxic and can attack people through its forelimbs without a lower jaw. It is said that the victim will put the bitten hand in boiling water to relieve the pain.
The most dangerous ant
Fire ants originated in South America and arrived in the United States with earth-moving ships in the 1920s. 1995 In May, about 23,000 trout died from eating fire ants in Guadalupe River in central Texas, USA. Fire ants like power supply and often bite off insulators, leading to power failure and fire.
The most dangerous bear
Polar bears are the only bears that actively attack humans, and most polar bear attacks occur at night.
The most dangerous crocodile
Although most deaths are not recorded, the number of people killed by saltwater crocodiles is still as high as 2000 every year. The crocodile attack that caused the most casualties occurred at the end of World War II, on the night of 1945+09-20 February. At that time, the allies who attacked Rangoon Island in Myanmar trapped 800- 1000 Japanese infantry in a swamp on the shore. By the next morning, only 20 Japanese soldiers had survived, and they were sure that most of the rest had been eaten raw by carp.
The most dangerous cat
Tigers attack humans more frequently than other cats, perhaps because humans are predatory, and even for old or injured tigers, they are very easy to be caught.
The most powerful animal meshing force
In the experiment conducted in the Marine Biological Laboratory of Bimini Islands, Bahamas, it was measured that the meshing force between the upper and lower jaws of a 2-meter-long dark shark was 60 kg, which was equivalent to biting with teeth with a force of 3 tons per square centimeter. Larger sharks, such as the great white shark, may have greater meshing force, but it has not been measured so far.
The longest deadly snake
This reticulated snake with the keeper of London Zoo in England is usually more than 6.25 meters long. They can entangle their prey with their long bodies and eventually kill it.
The fiercest fish
Sawtooth fish attack all injured animals or create chaos in the water. It is reported that in 198 1 year, an overloaded ship capsized and sank while berthing in Obidos, Brazil, resulting in 300 people being eaten by sawtooth fish.
The most shocking fish
The electric eel lives in the fresh water of Brazil and Guyana, and has two pairs of longitudinal organs, which can emit 650 volts of electric shock, and its energy can light a light bulb or make adults unconscious.
The most poisonous lizard
The venom in the glands of the Gila monitor lizard in Mexico and the southwestern United States and its close relative, the Mexican spider lizard, is enough to kill two adults.
The most dangerous little mammal
Small mammals that pose the greatest threat to human beings are mice, which carry more than 20 kinds of pathogens, including bacteria that can cause bubonic plague or Black Death.