Turtles belong to the genus of reptiles, which is one of the oldest on the planet.Thus the appearance of these animals have not been any changes from the time of dinosaurs.Apparently, nature has created a very reasonable and convenient form.
species of turtles are classified according to the environment in which they live.For example, marine reptiles have flippers instead of legs, as almost all of their life is spent in water.Freshwater turtles are more often on land.In this regard, they have legs, but membranes that are between the fingers allows them to be different swimmers.All kinds of tortoises have a strong physique and short less sharp claws.
most fundamental hallmark of these reptiles is their shell.Its structure includes a few plates, allows it to grow with the animals.
All kinds of turtles are cold-blooded.Their body temperature is directly dependent on the environment.In cold seasons these reptiles move in the state of suspended animation, which is characterized by a slowdown of all processes in the body to a minimum.Tortoises are prepared for wintering deep holes and waterfowl - burrow into the silt on the bottom of their habitat.
These reptiles have a distinctive flattened shape of the body.Their jaws lack teeth but possess a horny beak often.The four limbs of turtles can have claws.Skin reptiles contains ossification.
All kinds of turtles rather phlegmatic.Reptiles grow slowly.For breeding, they lay their eggs on land, which are placed in special nests in the ground.
Turtles are divided into two main groups:
1. Besschitkovye.These reptiles have a skin skeleton consisting of ununited individual elements.Also, they do not have horny scutes and claws.Limbs besschitkovyh turtles have plavnikoobraznuyu form.The largest and the oldest member of this group is the leatherback turtle.This reptile can be found in the sea, located in a hot zone.
2. dashboard.Representatives of this group have a well-developed dorsal and ventral shell.
dashboard turtles, in their turn, comprise three groups:
- skrytnogolovye, down to retract the neck in a vertical plane like the letter «S» and having ununited shields pelvis;
- thick-lipped, which involve the neck with the help of its addition to the horizontal surface, as well as having shields fused ventral and dorsal part;
- soft nature of the retraction of the neck which coincides with skrytnogolovymi, but there is a lack of horny scutes, limb of this group of reptiles have webbed for swimming.
Species home turtles may include representatives of both freshwater and terrestrial reptiles.Most often, fans of these animals give birth at krasnouhih, marsh, Central Asian animals.Keep in the home can be any kind of turtles except the giant.
Krasnouhie reptiles are animals greenish color, that color has reddish spots.These relate to the species of freshwater turtles.To create normal conditions they need and the land.They eat fish and plant food.This species of reptiles the most popular for turtles.They are active even at relatively low temperatures.Representatives of this kind are growing rapidly.In five years a small cherepashonok transformed into a large adult turtle that require a change aquaterrarium.
Sredneaziatstkie representatives of reptiles at a young age more helpless.They grow slowly krasnouhih, but in adulthood have the same dimensions.At low temperatures, the Central Asian reptiles are very slow.
What types of turtles will get for your home aquaterrarium you?This will depend on your tastes and preferences.
