| Scientific papers | ||
| IRENA BORZĘCKA - The age of migrating Vistula sea trout and the variability of smolt recruitment to the sea before damming the river | 3 | |
| HENRYK RENK and STANISŁAW OCHOCKI - Primary production in the southern Baltic Sea determined from photosynthetic light curves | 23 | |
| Józef Sosiński - The ichthyofauna of the King George Island (Antarctica) shelf waters and its value to commercial fishing | 41 | |
| Short communications | ||
| EWA WŁODARCZYK, ANITA BUTOWSKA and ROMAN WENNE - A study of polymorphism within growth hormone gene 2 in sea trout from Polish coastal rivers using heteroduplex analysis | 57 |