Swordfish.

Swordfish is now considered the sole representative of the family mecherylyh.The name of this animal has been through a peculiar form of the upper jaw.Typically, adult swordfish, photos of which can be easily found on the Internet can reach a length of more than four meters, and its weight is around half a ton.Live animals in tropical and subtropical waters, sometimes they can be found in the Black and Azov Sea.There are individuals in the moderately warm waters during feeding migration.So, at this time the fish can be found in the waters of Iceland, near Newfoundland.There are animals and in the North Sea.

Swordfish has an elongated upper jaw, strong lateral keels on the tail.The body of an animal devoid of scales.All this together allows it to develop a sufficiently high speed - an hour before the one hundred and thirty kilometers.Pelvic fins swordfish has not, and its tail resembles a crescent in shape.In adults, representatives of practically no teeth, but young animals have jaw teeth.As a gill net they record.

upper jaw-shaped spears, deserves special attention.This is about a third of the total body length.With its upper jaw, swordfish striking their prey: pererubaet it in half.This is evidenced by found in her stomach body of squid and fish.

swordfish looks like slave sailboat.Although virtually the same size and appearance, they belong to different families.The similarity can be seen in the photo.Swordfish lives in waters with a wide temperature range.During the feeding of the family is not too demanding on the warm waters, they are often found in waters with a temperature of about twelve degrees.During the spawning season is changing radically.Swordfish spawn exclusively in tropical waters whose temperature - more than twenty-three degrees.

Pets are reasonably high fertility.Mostly female can lay a lot of eggs - more than fifteen million.Because of the relatively large larvae appear a comparatively short jaw, and on reaching the larva to eight millimeters, it takes the form of a spear.Compared with older individuals who have no teeth, no scales, the fry are rough scales with small spines, teeth and jaw.Puberty occurs in about the fifth or sixth year of life.

Power larvae depends on their age.At the beginning of the zooplankton they cost.When they reach the length of a centimeter, they are moving to smaller fish.During the first year of life of the individual fish reach about fifty centimeters.By the third year of their length often becomes more than a meter.Adults feed on small fish and that inhabit near-surface water.The diet also includes large predators, such as tuna.In some instances the swordfish can attack even a shark.