I just recently purchased this Leptastrea Coral and noticed these weird black nostril looking things and was wondering what exactly they were they open and close and was wondering if there part of the Leptastrea Coral or what they. Thanks
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Cool thanksill snap a pic of the few I have in the fuge and post for your reference also. They are just rock burrowed tho not coral encrusted so you can see most of the structure but should give you an idea for cross reference

