 Its biological cycle is synchronized and purely dependent on the annual hydrological cycle of the Pilate Lake and regularly recurs in a time arch included between the beginning of June and the end of September.One of the principal characteristics of the anostraca consists in their adaptability to environments subjected to strong seasonal stress.The environment is often made of temporary water pockets and of little aquatic ponds characterized by a total temporary lack of water and going through extreme phases (draining/freezing) and (or) by fluctuations of the water level and as a result by strong wavering of the physic-chemical factors.