Habits like homing instincts of salmon and trout and other behaviours are well-documented abroad whereas no such data existed for hilsa, he said.
The project would also focus on hormonal changes the hilsa undergo while migrating.
"In order to successfully breed them, we must pay attention to their habitats and requirements. This is an important national matter and hilsa is a prized fish. Revival of its population needs scientists from every branch," Bhattacharya said.