During the 17-year teaching period at various educational institutions, Dr. Hossain taught many courses at the undergraduate and postgraduate levels.
At the undergraduate level
- Fisheries Zoology
- General Ichthyology
- Biodiversity and Aquatic Environment
- Fishery Systematics
- Biology of Farmed Fishes
- Shellfish Biology
- Fundamentals of Fish Physiology
- Fish Reproductive Physiology
- Aquatic pollution and environment
- Principles of Genetics
- Fish Breeding
- Fish Biotechnology
At the post-graduate level
- Endocrinology of Aquatic Animals
- Aquatic Pollution and Toxicology
- Advanced Fish Physiology and Reproduction