Behavioral reaction of common squid Todarodes pacificus to different colors of LED Light

, to different colors of LED light,individual distribution in the dark condition without LED light stimuli, individual distribution when four colorsof light stimuli were at the sections of end and middle of water tank and the changes of gathering rates as theelapse of illuminating time were examined. When it was dark, the distribution of the fish in each section of thetank was Ushape regardless of the investigating time intervals, which means that