The majority of the catches were made with "Petersen's Young-fish Trawl" mostly with a diameter of 200cm and 330cm and stramin nets with dimeters of 100, 150 and 200cm: the fishing parts of these consist of stramin, a coarse canvas with abt 20 threads to 3cm. A few samples containing Polychaeta were taken with other apparatus, viz.5 samples with ring-trawl 130cm, 200cm and 300cm in diameter; 2 samples with open conical silk-net 100cm in diameter ;one with Nansen's closing net, 50 cm in diameter and finally one with rectangular dredge opening 27x117 cm.