ID hard encrustment Frogspawn

liddojunior

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I bought some corals that I’m pretty sure are maricultured. And this frogspawn as these unusual encrust meant that I wonder if it’s flatworm eggs.

IMG_0647.jpeg
 

ISpeakForTheSeas

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I bought some corals that I’m pretty sure are maricultured. And this frogspawn as these unusual encrust meant that I wonder if it’s flatworm eggs.

IMG_0647.jpeg
That's a bryozoan - a harmless filter-feeder. I haven't heard of them growing over corals, so I wouldn't be concerned - if you want to try and help it live/grow, then dosing phytoplankton (preferably a blend) would be useful.
 
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