There are different types of fish farms that utilize different aquiculture methods. The first method is the cage system which use cages that are placed in lakes, ponds and oceans that contain the fish. This method is also widely referred to as off-shore cultivation.
FFI is the abbreviation for foreign financial institution. It refers to a non-US financial institution. The FATCA legislation contains an extensive definition of FFI and includes entities such as banks, custodian institutions, investment funds and certain types of insurance companies.
Fatal Familial Insomnia (FFI) is a rare sleep disorder. It's genetic, and has been diagnosed in less than 40 families worldwide. Perhaps the most famous case is that of the Chicago music teacher, Michael Corke, who featured in the BBC documentary The Man Who Never Slept. FFI is a truly dark disease.