Fish live crabs on a short-shank 3x-strong hook matched to the quarry. For tarpon and cobia, a 5/0 or 6/0; for permit and slot reds, a 2/0 to 3/0. For small crabs, such as fiddlers when you're after pompano and sheepshead, use a size 1 or 1/0. For the tiny mole crab, a light wire hook in size 1 or 2 is the ticket for pompano. Hook all these crabs through one of the points in the shell, coming up from below. Twist the hook so the point drills through the carapace without cracking it. Check the hook point after the bait is in place; on large baits like blues, the shell can sometimes slightly turn the point.