Mud crab is one of the most valuable crustaeceans in both domestic and export markets. They are hardy and can survive out of water for extended periods at lower temperatures, making them idea for live export.

Mud crab fattening predominates farming practices in Sundarban as opposed to grow-out culture. This report describes current practces adopted by mud crab farmers in India with special reference to the Indian Sundarban, where mud crab capture and farming are an important livelihood for small holder farmers.

Several innovations in construction of submersible box cage systems for mud crab fattening and growout are described.