MCU of cow nose ray swimming across frame. CU of sea cucumber retracting tentacles and burying itself in sand (time-lapse?). MS of group of sea cucumbers retracting at one time. Six time-lapse shots of various species of clams extending feet from shells to search for food in sand, one burrowing into mud. CU of cow nose ray. LS of two rays swimming, rays of light in water. Time-lapse CU of foot of clam hunting food in silt. CU of cow nose rays hunting, one eating clam, ZOOM IN. MS of cow nose ray hunting with snout to sand. Five CU shots of cow nose ray hunting for clams as cobia fish swims alongside, hoping to scavenge food. Bull nose ray hunting as cobia fish swims alongside. CU of bull nose ray finding and eating clam. (407)