Clam biology question
Hi,
I bought a Tridacna Crocea a couple of weeks ago (about 4 " across) and I noticed a long thin string/tentacle about 1-2" the same color as the mantle (blue purple) coming out of what I believe to be the exhalent siphon. I was looking at diagrams on clam biology and reading about the small tentacles they have, but I couldn't find anything like I was seeing in any articles I have looked at so far.
Are they supposed to have something like this? I have only seen it come out when the halides are off and while it is just actinic lighting.
Palmer
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