yes they are very difficult to ID. it is not the same as you posted though, because it is thinner and does not have any holes in its structure.
All I know is that it is a branching sponge. Would love to know if similar species are photoshythetic. My guess is that it is not photosynthetic, although in their aquarium it was growing toward the light. hmmmm...hard to say.
The black anthler seem to have a very fine tip, where mine seem to get larger at the tips, almost like a digitata coral.
Quote:
Originally Posted by Myka
Haliclona sp? Might come in on Caribbean orders or other species from Philippine orders (Black Antler). Sponges are so hard to identify.
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