Large colonial Antozoo of the order of the Pennatulacei, endemic in all the seas, tropical and not; of oscillating color from the yellow-orange to the porpora, it introduces the interesting phenomenon of the luminescence, emitting, if stimulated, light of color green blue.
 
Such luminescence comes produced just from the attivit nervous of the colony and it is believed that make part integrating of the nervous process, cio that the colony comes used in order to transmit to complex information between several the individuals members, cos as we use the sounds or other animals smell to it.

 
The carnosa colony, from the aspect of a pen of bird, said dimorfica, in how much composed from many individuals, different for the shape and function that everyone esplica in the general economy.
 
The founding individual, equipped of a lengthened body and tentacles and boccale opening degenerates to you, constitutes the axial support to all the colony and saying rachide; its inferior part, somewhat ingrossata, is fixture in the sand and takes the foot name, in the advanced part, on of the laminar, rigid expansions for the presence of long limestone spicole develops the polipi secondary, products for gemmazione, equips you of boccale apparatus and to tentacolare, than the functions of feeding the colony are assumed and of the sessuata reproduction and other individuals, completely degenerate you that they have only the function to make circular the water in the channels that cover the mesoglea and that the individuals carry the nutriment to all.

The colony prefers to be arranged sulla sand, in a ombreggiata position, a light current that the nutriment brings ai tentacles goddesses polipi and removes the refusal products secreti.
 
Much sturdy one, for being an invertebrate, a lot adapted to the Aquarius of comunit with invertebrates and fish of small largeness, preferibimente Amphiprion, Pomacentrus, Acanthurus.
 
Nutre of all us that it arrives to capacity of its tentacles; in Aquarius chip ax it is plancton dry, fact to recover with little of water of the Aquarius is dept freeze.
 
It does not have particular requirements, regarding the other invertebrates, as far as the chemical values of the water that must be filtered, be only very aereata and deprives of nitrites and nitrates.

 
They are, however, always advisable changes of the water with sifonature of the bottom and regular oligoelement additions and balanced bioelementi; the only precaution to take finds in placing the P. with much caution in one buchetta dug in the sand of the bottom and then filled up with delicacy in order not to compress the host too much.
 
For all these reasons would not have to never lack in the Aquarius of invertebrates of the principiante.

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