Saw this extending from a coralite and doesn’t look like a acro polyp. Has two prong/antenna?
Sorry best photo I can get till whites turn on.
any ideas?
Sorry best photo I can get till whites turn on.
any ideas?
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Typically through sexual reproduction (see the quote below) - only 8 species of Spionids are known to reproduce asexually. So, you likely need two worms to get more.Thanks everyone for the helpful info, much appreciated! Last question, how do they propagate? do they spread from one worm?
at least a few species actually do reproduce in the tunnels and the young dig their way out, exacerbating the damage to the rock/coral. I’ll try to post the reference and it if I can find it again.
* The links:
http://zoolstud.sinica.edu.tw/Journals/39.1/47.pdf https://www.marine.usf.edu/reefslab/documents/evol_ecol2007/Glynn(inpress).pdfBioeroding (boring) polychaete species (Annelida: Polychaeta) from the Aegean Sea (eastern Mediterranean) | Journal of the Marine Biological Association of the United Kingdom | Cambridge Core
Bioeroding (boring) polychaete species (Annelida: Polychaeta) from the Aegean Sea (eastern Mediterranean) - Volume 101 Issue 2www.cambridge.org