“…These studies show that the CPUE is typically reduced during the full moon phase, possibly as a consequence of increased illumination altering fish behaviour (e.g. Luecke and Wurtsbaugh, 1993;Stoner, 2004) and their catchability (Kearney, 1977;Thomas and Schülein, 1988;Agenbag et al, 2003). Likewise, drift net catches of swordfish in the Mediterranean suggest that CPUE is lowest in the full moon phase, but no statistical tests were conducted (di Natale and Magano, 1995).…”