Here, a bigeye tuna (thunnus obesus) has just been hauled aboard using a sort of hammock on a frame. A foam pad is placed on deck under the fish to reduce injury. When a fish hits the deck, a swarm of people begin the measuring and tagging process. A conventional tag is being place in the muscle behind the second dorsal fin, an archival tag is being surgically inserted into the abdomen, the eyeball and pupil are being measured, and the overall length of the fish is being measured. The faster the work gets done, the less stress on the animal and the better the chance of survival.