What is this?

[tripdad]

A magnificent foxface is a beautiful fish, one of my faves.

 

[rkpetersen]

Stuff is good for nutrient transport, but don't let people tell you that it isn't invasive. Even though I only grew it in the fuge, I wound up with quite a bit showing up on powerheads and other surfaces in the DT, before I decided to ditch it and go back to chaeto.