Identification

[CrypticLifeStyle]

This guy randomly showed up in a sump about 5 months ago. Haven't added anything besides swapping things between tanks for a couple years besides a few fish.

I've looked around for quite awhile, maybe didn't search good enough, but I am stumped on what it is.

It's alive, the mouth does open, and close. I have the rock in the vicinity of the skimmer intake to help with the filter feeding.

 

[aresangel]

Looks like a hitch hiker clam. Not sure on the species.


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[Chris A.]

Could be this

 

[dilligaf29]

maybe a mussel i have a few in a zoa rock

 

[aresangel]

I did a google image search for "red mussel hitchhiker" and saw something similar on reef central. Unfortunately it was a on photo bucket but someone commented it may be a rock scallop.

Happy searching!


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[CrypticLifeStyle]

Yeah the shell is very different from what mussel shells tend to be, as well as clam, scallops.
I'm leaning on a type of cockle.

The red, and green pattern is what messes it all up for me on the searches.

 

[CrypticLifeStyle]

Still alive, grown a little, still no idea of it's Identification though.

 

[Chris A.]

Totally looks like a scallop with the fuzzy opening

 

[aresangel]

You are right. The bottom of the shell doesn’t look like a scallop. But cockles are also much wider in the middle...

On the scallop hunch I found “Calico Scallop” shares the pattern and colors of your mystery mollusk.

https://www.google.com/amp/s/www.sh...9/The-Calico-Scallop?_amp_=true?source=images

Still does t look right though.




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[CrypticLifeStyle]

Yeah, so bizarre, the base being buried into the rock doesn't help. May send the pictures to someone in the academic side, and see what they say. I wonder If my "success" keeping this thing alive is a indication of me keeping some clams successfully lol.