Answer:
A caribbean shape that makes ships disappear
Slayer of regrets, old and new, sought by many, found by few.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
What turns from red to black as soon as it touches water?
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive.
What is so fragile that saying its name breaks it?