teeth

The most dangerous freshwater fish in the world

Goliath Tiger fish (lat. Hydrocynus goliath)

Goliath Tiger fish for bloodthirsty slightly inferior piranha. It has a 32 razor-sharp, teeth, and is widely regarded as one of the most terrible and dangerous freshwater fish in the world. It feeds on fish. Because of its power, it can safely swim against the tide. As a result, the weaker fish, which can not overcome the strong stream of water come into her own teeth. Her arms are 32 huge tooth size similarities with the great white shark teeth. There are cases when the fish to attack people and even crocodiles!
Fish react to loud splash of water or a sudden movement. It can also locate their prey by low-frequency vibration. So what of the future victim to hide from her.
Fish Tiger (Hydrocoyon lineatus) belongs to the species of the genus characids piranha lives in freshwater rivers in South America and Africa. Reaches 2-4 kg, but some subspecies (Hydrocoyon goliath) have a weight up to 50 kg. It feeds on fish and unlike the Amazon relative to people not to attack.
Polo saber-toothed fish in the river Cheb (Namibia) attracts anglers from all over the world. Despite the terrible tusks, tiger fish much stronger for the same weight of most freshwater predators because of what draws attention and fishing lovers. Besides
small tiger striped fish that are no heavier than 4 kg, caught in Africa Senegalese subspecies, now he can already pull 15 kg. With this appearance and strength – it is a real monster! Continue reading

Dangerous fish

Hazardous freshwater fish world

Hazardous fish. Recently saw a program on National Geographic about dangerous to humans and fish decided to look on the Internet about this information. Here are a few representatives of this unfriendly company.
Piranha – fish from the family of tetras, subfamily piranha. Habitat rivers and reservoirs in South America. Piranha reach a length of 80 cm and a weight of up to 1 kilogram. Colour in adults olive-silver with purple or red shade and along the edge of the caudal fin runs clear, black border. The structure of the jaws and teeth piranha allows pull out of large chunks of carcass flesh.
Piranha teeth have a triangular shape and a height of 3-5 mm at the closing of the jaws, the teeth of the upper and lower jaw includes exactly into the grooves between them. As a result, pieces of flesh like a razor cut from the carcass. A displacement of the jaws when in a horizontal position, with ease piranha snack veins and even bone. Adult piranha can easily bite a human finger or a stick.
Piranhas are very hungry, and as described by Alfred Bram could easily pounce on prey, which by its size 10 times greater than those voracious predators. He saw with his own eyes piranha attack on an adult crocodile that, or flees, or flipped on its back
and protects his belly. There is one consolation – not all of these bloodthirsty piranhas. Among them are herbivorous species. Continue reading

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