My LPS 20gal. reef has been running under this fixture now for 1 year 1 month. All corals never lost any of there coloring nor bleached from the cross over. Matter a fact my Xenia's have...
Sadly ours died last week (pump malfunctioned and caught fire which had a domino effect of other water issues). He would hop along the front of our 200 gallon tank, loved to race back n forth....
Picked up my CB Target Mandarin from our FedEx station this morning. To say I'm disappointed about the condition of this fish is putting it mildly. I've yet to see a fish so skinny and still...
So I found this floating between two rocks in my tank . When I removed it, it was encased in some kind of gel. It is about an inch long. The second photo is of it laying on top of the glass.
The cocoon part must be wrong but it does appear to be something that's slowly rotting. There is a type of Bristleworm that creates a cocoon like that but it's not all hairy looking.