Bispira variegata, Variegated Feather Duster Worms

[GoLowDrew]

I got something that looks like this:

Questions:

-Good or bad for FOLR tank?
- How do I take care of it?
- How do I make it grow?
- How do I make them reproduce?

 

[bertoni]

They are harmless, neither good nor bad. They will want some good phytoplankton, like DT's or BioPlankton. If fed well, they might reproduce, although they're probably at full adult size already.