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Posted: Sat Jun 12, 2004 12:05 pm
by Dys
This worm looks a lot like a synapta maculata (worm cucumber).
Posted: Sun Aug 06, 2006 7:15 pm
by Amphiprion
Sorry to bring this back from the dead, but someone just brought this post to my attention today. because there was never a positive ID, I thought I might chime in and give my $.02. What is seen there is known as a Eunicid worm (Eunicidae, usual genus is Eunice). The four tentacles surrounding the mouth and the structure of the setae are a giveaway. Some species are simply carrion eaters and scavengers, while others are outright predatory (some on fish). I actually have a 1+ft individual in my tank (apparently for quite some time).