I'm not seeing bivalve at all, no symmetry to me and no opening to the valve. We can all agree to disagree.
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I have bivalves all over my tank, and some are that shape, but I agree with @DSC reef, I do not see an opening for the valve, etc. I also went to the sump and dug through the last bit of cheato and the mass of graciliria to look for something similar. Not a thing, but a crap ton of pods, some pineapple sponges here and there, and my bristle worm buddies. I also have chitons in my tanks, and the babies do look like that, but the "plates" on their backs are still somewhat distinguishable, even at a small size. Did you notice any overlapped plating, or anything like that?Sorry my pictures suck, I am really terrible with that stuff.
I can pretty much confirm that it is not a bivalve. There was no opening anywhere. It was a fully closed, egg shape thing.
I can see how it looks like one with the pictures, though. I recently go chaeto from @Eagle_Steve , maybe he has seen something similar in his tank and he would know what it is.
Ha! It was very different than that. I haven't seen any more, that one just appeared one day.@ccombs Did it look like the above pic, but smaller? The pic of it in the tank does not really show the shape very well. Wish you had a pic of it out of the water, but not cracked open yet. You done got my curiosity going lol.
That's what I am saying! We haven't made anything that has those ingredients though.It really looks like a bean or a nut of some sort.
It was cheato and graciliria. My mangroves have seeds on them, but they are huge lol. It has me baffled also.Totally wild guess. Did you talk with the person you got the cheato from. Wondering if maybe he had another macro algea growing that part of that got trapped in your cheato.
How many of my bristle worm buddies did ya find?? Or as my wife calls them, "Spawns of Satan" lol.The other thing that is weird is that I washed the algae really well and kinda pulled it thin so I could find any hitchhikers before adding it in.
Either way, the algae has been a positive addition to my tank, and this will be a mystery that may never be solved....
Not a single one yet.How many of my bristle worm buddies did ya find?? Or as my wife calls them, "Spawns of Satan" lol.
Well if ya want some for the CUC let me know. I can put the pill bottle catcher out and get ya some. A lot of people do not like them, but they are good at getting what is missed and provided you do not not overfeed wayyyyy to much, there numbers stay in check on their own.Not a single one yet.
I appreciate it but my wife does not really even like shrimps or crabs, I think the worms would put her over the edge lol.Well if ya want some for the CUC let me know. I can put the pill bottle catcher out and get ya some. A lot of people do not like them, but they are good at getting what is missed and provided you do not not overfeed wayyyyy to much, there numbers stay in check on their own.