A method and technical arrangement for efficient bulk transport of live fish or shellfish in water in a storage container, wherein the transport of such live organisms may last several hours or days. The storage container and various pieces of other necessary technical equipment used to keep the organisms alive, are placed in physical connection to at least one transport module which is arranged in shape and size to fit together with, or into, a transport container, preferably a standardized container. The container is attached to and carried by means of an ordinary surface transport means, including boat, railway, lorry or car.
