Life strategy of Baikal sponge Lubomirskia baicalensis and the results on its cultivation under artificial conditions in the freshwater aquarium system at the Limnological Institute of RAS SB are considered. Data on auto-trophic activity of a sponges symbiotic community ant its directing bodies obtained for the first time during the experiments are analyzed. Directing bodies have a high content of chlorophylls a and b, which shows not only fully autotrophic nutrition, but also allows to be reflerred symbiotic algae to green algae. Cultivation of sponges and their directing bodies in vivo helped create a managed model under controlled conditions.