The most terrifying freshwater animals

Like the oceans, freshwater rivers also hide many fierce carnivores.

Like the oceans, freshwater rivers also hide many fierce carnivores.

Candiru

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Candiru is probably the most terrifying freshwater animal, although its size is quite small. This is a small fish that lives in the Amazon region. In essence, candiru belongs to the catfish family but they always live by eating larger fish in the Amazon. A strange characteristic of the candiru is that they seem to like the waters with urine . It usually sniffs odors and leaks urea and ammonia from the gills of fishes. After that, Candiru fish will get into the gills, using dozens of spikes on the head to stick to the inside and drink their blood.

Vampire fish

Vampires, or Payara, who often live in Pevas (Peru) are terrifying carnivorous fishes . They destroy prey with long and sharp fast teeth, which can easily pierce through the victim's body. Their teeth can be up to 12cm long.

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Stingray

Stingray possesses dangerous spikes like poisoned knives, which can cause serious wounds, which can even endanger human life. Although it is capable of killing people, the tail fish do not often attack people unless you swim right above or in front, blocking its view.

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Hundred South America

South American pythons eat fish, birds, reptiles and small mammals, although they can sometimes attack each other. Because there is no venom, South American pythons often kill their prey by squeezing for choking and breaking all bones before swallowing.

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Spider bell

The bell spider is the only spider species in the world that lives completely under water . They breathe air through a large bubble on the water. Spider bites can bite very badly and cause a fever.

These tiny spiders possess a rather special ability, which is to hunt insects and crustaceans under the water.

In order to survive underwater, the spider is dubbed these " talented rollers" , which have woven silk into a bell, acting as an oxygen tank to help them breathe under the water. The bell spider picks up air in the feathers, in the abdomen and legs when on the ground then "pumps " into the " bell " to reserve.

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Giant catfish

Giant catfish live in many rivers around the world, but the largest is still the Mekong catfish. Adults can be up to 3.2 meters long and weigh 300 kg.

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Mata Turtle

The Mata Turtle lives under the rivers in the Amazon. They eat invertebrates, fish but are not dangerous to humans. When a prey accidentally approaches, the Mata leaf turtle will push its head forward and open its mouth wide. Their mouths can expand so quickly that the water pressure in the oral cavity drops abruptly and follows the prey into the mouth, which is also the way to hunt giant whales.

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Nile crocodile

The Nile crocodile is distributed in most of Africa and is known as one of the deadliest, most ferocious animals on the planet. They can easily defeat large prey like hippos or rhinos.

Newborn babies eat insects and small invertebrates under water, and quickly adapt to food from amphibians, reptiles and birds. However, 70% of the food of the Nile crocodile is fish, although large crocodiles are capable of eating almost any vertebrate when they go drinking, except for only elephants and galaxies. mature code. They also eat zebra meat, young hippopotamus, buffalo, antelope, and even large animals of the Cat family and other crocodiles.

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Tiger Fish

The widely distributed tiger fish in Africa, known as the fierce assassin with large, razor-sharp teeth. They often hunt in groups and sometimes attack large animals. The sharp teeth of this fish allow them to bite off the metal, solving a cow within 15 minutes.

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Update 16 December 2018
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