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This is probably one of the many flattened species of oyster. In any case, it is a harmless filter-feeder.
Yup, that looks just like the one in mine. I wonder if they'll survive in our tanks. I've heard most non-photosynthetic bivalves don't make it in aquariumsI have one too, that just appeared in this little 10-gallon tank about 3 years ago. It was odd, because this tank was started with dry rock and although it likely hitchhiked , it didn't grow from a frag plug.
I noticed it when it was little more that 1/4in across - not is about 2.5 inches across and and some color on its shell
I don't know for sure what it is. other than some sort of bivalve
its sits front and center in the tank, so it's kind of cool looking
I dunno - but this one started as a tiny little nub, and has bene happy growing for at least a few years in this tank.Yup, that looks just like the one in mine. I wonder if they'll survive in our tanks. I've heard most non-photosynthetic bivalves don't make it in aquariums
Hitchhiker bivalves tend to be much more resilient than their non-hitchhiker counterparts and can survive and even grow in captivity without special care.Yup, that looks just like the one in mine. I wonder if they'll survive in our tanks. I've heard most non-photosynthetic bivalves don't make it in aquariums