the guy at the bait shop told me that when the crabs walk in they fall into the bottompart of thetrap but i read on the internet that when they crawl in and realize the cant get out theypanic and then swim up getting trapped into the upper chamber and cant climb back out. so which is it, their holding cell goes up to the top or down to the bottom?? its hard to tell but look at the trap on this page it looks like his is setting like mine is bait on bottom trap on top. http://www.bluecrab.info/crabbing/hardcrabs.html
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Crabpots are ingenious contraptions in that they utilize the crab's very own escape instincts in order to trap them. Crabs smell the bait and circle the pot, entering through one of the throats. Once inside and unable to reach the bait, the crab feels trapped and threatened. When threatened, a crab instinctively swims up towards the surface to escape, where it winds up inside the parlor. It remains in the parlor until removed through a special opening along one of the top edges."