Glass frog photos, interesting facts, how it looks and where it lives

Glass frog (lat. Centrolenidae) glass, or geckon frogs, detachment of free amphibians, a family of glass frogs (previously kvakksh).


A glass frog is a rather small amphibian and the dimensions of most of the representatives of its species do not exceed 30 mm (exception is Centrolene gekkoideum, whose size is 75 mm). With their appearance, these amphibians resemble Kvaksh and previously attributed them to this type, until the moment of allocation into a separate family.

The identification feature of any of the representatives of this family can be called translucent or complete transparency of the skin.

The body of glass frogs is flat, while the head has a relatively wide shape it is flat and short. The eyes of the frog are noteworthy: they are impressive and directed forward such a device helps to provide amphibians binocular vision. Their pupils are located horizontally and in the daytime they are usually slitable, but in the night period they acquire an almost round shape.

The limbs of these amphibians are long and thin, and the fingers are equipped with suction cups, thanks to which amphibia can feel normally on smooth surfaces, which are leaves and herbs. The hind legs of the frogs are equipped with membranes this is how the surface of the foot can largely increase, which allows you to calmly move around the unsteady surfaces.


A lot of amphibians from this family have a “glass” abdomen, but you can also find frogs with a transparent back, and even completely translucent limbs. Sometimes their paws can be decorated with a likeness of fringe.

Glass frogs are tiny amphibians, usually light green or with a bluish tint of color, decorated with multi-colored dots and eyes of a non-standard shape. These amphibians have a back with a variety of shades of green color, from yellowish-green to olive, up to brownish.

A distinctive feature of all representatives of glass frogs is practically transparent skin, thanks to which you can see the entire internal device of amphibians: from the liver to the gastrointestinal tract and even caviar (if we are talking about a pregnant female). Tissues of many types of muscles and bones in these amphibians are also usually transparent or half transparent.

If we talk about the eyes of a glass frog, then they are not directed to her side, as, for example, in wood amphibian, and forward it allows a glass frog to direct a look at an angle of 45 degrees. This enables the amphibian to track the prey accuracy.

This type of amphibian is perfectly developed disguise. In their body, even bones can be green. Typically, this process is directly due to the fact that salt of bile acids are stored in the bones of this frog, it is they who act as dyes. Several families of this species boast of pigments that reflect the infrared radiation of the same spectrum that is radiated by plants, which significantly helps the process of disguise and thermoregulation.

Males of this species have vocalization, which represents a kind of squeak or even whistle. Sometimes a situation occurs when only one individual is capable of provoking a whole polyphonic singing that spreads throughout the course of the reservoir.

Where it lives

The habitat of this species covers the tropical areas of Central America, including the Andes, Sierre Nevada (in Columbia), Venezuela, Tobago, the significant territory of the Amazon basin and even the Brazilian Atlantic Forest. Impassable marshy forests of Mexico, Northern Paraguay, Argentina. Here this petty amphibian feels great.

A favorite place to live these tiny creatures the shores of rivers and streams that flow on the territory of wet tropical forests.


Ampibians are preferred to settle with streams with a good course and waterfalls, but they do not live in water, preferring land: they have food, and the process of mating, and laying the game is associated with grass and shrubs their foliage.

Exclusively tadpoles live in water. However, after passing the process of metamarfosis, they move to land and do not plunge into the water anymore.

Frogs show the greatest activity in rainy weather, and during the day they usually hide, leaving the shelters at twilight time.


The propagation process in almost all amphibians is closely related to the onset of the humid season. Males of glass frogs are used to eliminating all rivals or their formidable squeak, or an offensive and then the courtship process begins, and, therefore, trills and songs.

Caviar, as a rule, is postponed on the foliage, which hangs over the groove of water this greatly facilitates the process of protecting caviar from predators (both birds and fish). Males usually guard the masonry for the first few hours and then periodically visit it. Males are also able to maintain masonry humidity, devastating the urea on it. The father’s task also includes eating affected or damaged eggs to protect against infection of the entire masonry. Females of any type of glass frogs after fertilization of caviar simply disappear. After the game is postponed (its number depends on the type and is from two dozen to several hundred) the male is engaged in its fertilization.

Tadpoles the least studied stage of the life cycle of these amphibians. Some time after hatching, they fall into the water and if they do not fall into it, then get to the water with the help of the tail. In the aquatic environment, most of them die since they are in wait for the dangers.

Life expectancy and the percentage of mortality of these amphibians is not well studied well since there is no method for determining the age of such amphibians.

Interesting Facts

The first specimens of this species were discovered on the territory of Ecuador at the end of the century before last. Until the end of the last century, these amphibians were customary to be divided into two kinds. Another, recently highlighted, the third kind of mesh glass frog is distinguished by white bones and the complete absence of a “damper”, which in other species closes the review to the internal organs.

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