sawfish (pylori vulgaris) belongs to the family of cartilaginous fishes superorder rays.The fame she has received thanks to its appearance.Before our time survived only 7 species pilorylov: Atlantic, green, fine, European, Asian, Australian, comb.Fish-Saw is like a shark elongated body, which is located at 2 fin on each side and 2 triangular fin on his back.There are species in which the tail portion as it merges with the body, and there are - to split into 2 parts tail fin.Leather pylori, like sharks, placoid covered with scales.It is different in different species olive shades of gray.The belly - almost white.Pictures sawfish well demonstrate its main advantage - flat and long build-up on the snout in the form of a saw.
sawfish Quite often confused with one of the species of sharks, namely pilonosom.This is not true, although sharks and are the closest relatives of stingrays.The latter are arranged below the gills, whereas they are sharks sides.In addition, the larger size skates.Basically they reach 4 to 5 meters in length, but there are instances of seven meters.A pilonosaya shark rarely grows more than 1.5 meters.On one of the photos submitted sawfish well see her belly, where the mouth opening and a pair of gills remind tearful face.
sawfish belong to mind ovoviviparous fish.In other words, their baby is born already formed, but leathery shell eggs.The female can give birth to 20 babies at once.At the same time they saw in the womb is completely hidden skin at birth it is soft, and hardens only with time.
Lives sawfish in all oceans except the Arctic.Her favorite place - it's coastal waters in the open ocean, it almost does not occur.Quite often he likes to bask in the shallows, and on such that its dorsal fins are clearly visible above the water.Off the coast of Australia, from 7 5 species live, and indeed, the Australian pylori has long mastered the fresh waters of the river, where he lives, do not swim out into the ocean.In general, all kinds of rays thrive in salty ocean water and brackish and freshwater environments.The only place where they can not live - it is water contaminated waste.During seasonal migrations sawfish can safely swim in the large rivers, it happens in the summer and autumn.
feeds on this type of benthic invertebrates rays animals that live in the mud covering the bottom or sand.And it is for loosening seabed material pilorylu require it saw.Although there is evidence that he uses his saw not only as a shovel.It can rapidly break, for example, a pack of gray mullet and waving their build-up, like a sword, striking at the same prey.And when she falls to the bottom pylori quietly he eats it there.
generally considered that sawfish are not dangerous to humans.Still, there were several cases of attacks.In the Gulf of Panama recorded even fatalities.Although if it is not to provoke, that is not to tease and not to attack it, it's likely she is approached a man try to escape.And for those who like to walk through the shallow water of the ocean, you need to know that there is love rays bask in the sun.Keep this in mind and try not to step on one of them.And speaking of the dangers, man, contaminating water, it causes more damage.Please be aware that certain types of pilorylov are already on the verge of extinction, they are listed as endangered.And for the last time the total number of rays drastically reduced.Very few people can boast that they have seen the fish-saw in their natural habitat for it.
