Professor, (Since June 3, 1997-till now),Dept. of Zoology, Chittagong University, Chittagong 4331
Associate Professor (1 Dec.1992 - 2 June 1997), Dept. of Zoology, Chittagong University ,Chittagong 4331
Assistant Professor (30 Dec.1984-30 Nov. 1992)), Dept. of Zoology, Chittagong University, Bangladesh
Lecturer (20 Sep.1980- 29 Dec.1984), Dept. of Zoology, University of Chittagong 4331, Bangladesh
Lecturer (1 July 1979-19 Sep. 1980), Dept. of Zoology, Nazirhat Degree College, Chittagong, Bangladesh
1989–‘Best Scientist’ -BAAS Award (Bangladesh Association for the Advancement of Science)
1998–Fellow, Zoological Society of Bangladesh (FZSB) for outstanding service.
2002-Scientific Achievements Award, North Carolina, USA for remarkable contribution in Fisheries
2006-Best Research Presentation Award-by BFRF (Bangladesh Fisheries Research Forum).
2008-Best Research Presentation Award by the Faculty of Biological Science, Chittagong University
2012- Best Research Presentation Award on the occasion of Observation of International day for Biological Diversity, By the BCEMRG-CU, Faculty of Biological Sciences, Chittagong University
2019-Education Award-by Chandanaish Samity, Chittagong- For extra-ordinary contribution in Education
Since 1981 received Six Research and one teaching awards/grants from Bangladesh University
Grants Commission; FAO/UNDP; Government of Bangladesh, SUFER
Project DFID (Department for International Development) UK and Ministry of Fisheries and
Livestock, Bangladesh, BSFF, WorldFish Centre and Ministry of Education, Bangladesh.
-Number of Published papers in Scientific Journals: 103
-Number of Published Scientific Proceedings/ Abstract: 56
-Number of Published science based popular articles: 18
-Number of Thesis/Project students supervised- M.Sc., M.S. :90; M.Phil. 7; Ph.D.-supervised 7, degree awarded three, awaiting-1, Thesis submitted-2, , Supervising- 1.
Presented research papers in more than 80 international (USA 2, UK 1, China 1, Malaysia-1, Thailand 1, Cambodia 1, Vietnam 1, India 7) & National seminars/workshops/symposiums at home and abroad.
Countries Visited: 12
USA (2 times), UK (3 times), Canada (2 times), China, India (10 times), Hong Kong, Singapore (2 times), Thailand (3 times), Saudi Arabia (2 times) Vietnam, Cambodia and Malaysia.