UNDERWATER MS of cutthroat trout swimming in fairly clear water, one trout (open-mouthed) staying perfectly placed in centre of frame for several seconds (SA). UNDERWATER CU/ECU of several cutthroat trout (in clear water) swimming very close to camera (SA) amidst larger number of trout. UNDERWATER CU/ECU of cutthroat trout (in clear water) swimming very close to camera (FA/SA) amidst larger number of trout. (42273)