Fresh free-flow frozen shrimps (Pandalus borealis) with weights ranging from1 to 7 g were supplied in 4.5 kg boxes by Royal Greenland A/S (Denmark) and weremaintained in frozen state at−20 °C. The day prior to the experiments the shrimps were kept in a fridge at 4 °C to defrost and then grouped by size into small (1–3 g) and large (≥4.5 g) shrimps.