walking

I believe my tank is finally established enough to house a BTA. The only thing is that I may have gotten a few (too many) coral while I was waiting for my tank to mature. Here’s a picture of my current scape, and I planned to trade in that duncan coral on the right side and give the BTA that...

They seem really fascinating to me! Inside the coral lives a Sipunculid (peanut) worm which moves it around the sand bed as it forages for food. It grows around a hole in its base where a worm species takes up residence. It's an amazing symbiotic relationship! Thinking about trying to get my...