Blue Topia Posted November 10, 2019 Share Posted November 10, 2019 What is this? A barnacle? There's like 3 or 4 of these little volcanos. 1 Quote Link to comment
WV Reefer Posted November 10, 2019 Share Posted November 10, 2019 4 minutes ago, Blue Topia said: What is this? A barnacle? There's like 3 or 4 of these little volcanos. Welcome to NR. 😊 I don’t see a pic but “volcanos” could be barnacles. 1 Quote Link to comment
Tired Posted November 11, 2019 Share Posted November 11, 2019 If it looks kind of like a volcano, and a very thin, hand-shaped fan thing periodically comes out of the top and waves, it's a barnacle. If there's nothing inside, it may be a barnacle shell. Your pics definitely aren't visible, though. 1 Quote Link to comment
Tired Posted November 16, 2019 Share Posted November 16, 2019 I think that's just how the coral is growing. Quote Link to comment
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