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Within 1993-1998, exploratory catches with a small trawl, trammels, a scoop net, and fishing rods were made in the Międzyodrze waters. Composition of the catches as well as numbers and weight of the fish caught were compared with the corresponding data obtained for commercial catches. The exploratory catches were clearly dominated by roach, followed by bream, bleak, and perch. Composition of the catches by weight was substantially different from the above pattern. Although still dominated by roach, the weight data revealed a pronounced contribution of white bream, perch, tench, pike, and rudd. Commercial catches were dominated by bream, followed by blue bream, white bream, and pikeperch. Perch and tench, numerous in the exploratory catches, contributed less than 1% of the commercial landings; bleak, rudd, and ruffe were altogether absent in commercial catch reports.
Key words: fish fauna, catches, fishing gear, River Odra estuary