A culture container (100, 100') includes a tube (102, 102') having a first and a second opening (103, 105) respectively provided at two opposite ends thereof, and a cover (104, 104') installable on and removable from the first opening (103) of the tube (102, 102'), the cover (104, 104') including a receptacle (106) for holding a substance (138) consumable by an organism of interest (T, T'), the receptacle (106) being enclosed inside the tube (102, 102') when the cover (104, 104') is installed on the first opening (103) of the tube (102, 102'). Moreover, a system and a method of transferring a cultured organism of interest (T, T') include switching the covers (104A, 104B) between two culture containers (100A, 100B).
