Daily Rhythm
Daily activity rhythms will be studied without human interference. All other studies have been conducted using snorklers or by capturing the gobies and placing them in tanks. With the use of remote video cameras, shrimp and gobies can be analyzed in a more natural condition. Activity outside the burrow will be analyzed from the beginning of activity (6am), and for every 3 hours until activity stops. ….
(first appear)-- 6am -- 9am -- 12pm -- 3pm -- 6pm --(record last emergence).

Activity will be measured by using a 10-minute period of measurement with the aid of remote video. Activities will be measured for both the shrimp and the goby. The following activities will be measured