I found this tooth or claw while walking the beach in abaco bahamas. At first I thought it was a shark tooth but this is hollow and has a fairly complex root structure. It is about an inch long and maybe a half an inch wide. The outside edge of the tooth/claw has bumplike serrations on it and comes to an edge, while the inside edge is flattened.
Thank you for any help!

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At first glance I thought this might be the hook of a large species of squid, but then I noticed the asymmetry, which led me to think of the pectoral spine of a fish, but the fact that it's hollow has left me thinking that it could be the dactyl of a crab claw - although it would be a crab with very powerful claws judging by the processes.