 
				| 1. | On Gammaridae Distribution in Caspian Sea Bottom Sediments  | |
| Pages 1-10 | ||
| A. Zahmatkesh | ||
| 2. | The Relationship Between Frequency of Cleaning and Growth of Pinctada radiata During Winter Season in Bandar Lengeh Coastal Waters  | |
| Pages 11-18 | ||
| M. Saveh dorodi; M. Binaei | ||
| 3. | Plankton survey in the southern part of the Caspian Sea  | |
| Pages 19-38 | ||
| M. Fallahi | ||
| 4. | Biological Survey of Chalcalburnus chalcoides guldenstadti Spawning Migration in Anzati Lagoon  | |
| Pages 39-52 | ||
| M. Karimpor; N. Hosseinpor; D. Haghighi | ||
| 5. | Hydrobiological Survey of Gorgan-Bay  | |
| Pages 53-68 | ||
| F. Laloei | ||
| 6. | Some observation on the length frequency distribution and gonad development of longtail Tuna in Iranian Waters  | |
| Pages 69-82 | ||
| A. Nikoeian; A. Firozi | ||