Favorite Filter Feeder in your tank?

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What is your favorite filter feeder for your tank? One that you purposefully introduced, so anything that just popped up uninvited do not count. I really love porcelain crabs and clams, but coco worms are also super cool looking. If I had to choose a favorite I would probably go with clams.

 

[BryanM]

Desara clam. For a while I had a scallop.

 

[serval]

Feather dusters (not just coco) are wonderful but I just got a red tunicate that looks like a beef heart. It’s pretty cool.

 

[Euphylliaphyle]

This:

One of the more interesting hitchhikers I have had so far. We share a family tree!

 

[serval]

This:

One of the more interesting hitchhikers I have had so far. We share a family tree!

Yes that’s the coolest part! They have a notochord! And are part of Chordata.

 

[Euphylliaphyle]

Yes that’s the coolest part! They have a notochord! And are part of Chordata.

Plus, the resemblance to me is uncanny.

 

[Kasrift]

Probably my Christmas Tree Worms. Always cool. Had them for quite some time now.

 

[serval]

Probably my Christmas Tree Worms. Always cool. Had them for quite some time now.

Ohh, those are very nice! And your Porites is looking fine too. I have a rock with worms too but the coral they are/were in appears dead now. It’s been in the tank since January 2026.

 

[StartingATank]

I also really like feather dusters. I also got a sponge (I think it’s a red encrusting) on my toadstool frag