Marine aquaculture on the coastal areas are limited by available land and coastal inshore area for development. The constrains will be more serious due to the commercial land development and upraising environment protection concepts. Therefore, establishing marine fish production away from shore is the trend of marine aquaculture development.

The offshore pen aquaculture which farming fish at the open sea area to reduce or avoid the impacts from the costal area, such as pollution and tourism development would benefit the fish grow at better water quality environment and fish farmers with better production efficiency.

The development of modern offshore pen aquaculture since early 80s by industrial scale Salomon production in Norway. Nowadays numerous species at different regions around the world has applied this production technology and growing rapidly to supply the global demand of the fish.