uchin

I have a 16 gallon mixed reef tank that already has a pincushion urchin, fire shrimp, coco worms, rock flowers, and a couple of snails. I also have a pistol shrimp. Unfortunately the pistol shrimp never comes out during the day and loves to grab corals and pull them into its lair at night (even...

I hit the urchin jackpot with some live rock this year. I have found 3 long spine urchins and one that looks like the a "pincushion" or "pink" urchin (short spines, loves to carry things around, especially 2 of my feather duster worms that didn't bury into the substrate). Add to that number my...