Jun 16, 2018 · Sea Urchin I was told they are safe for most reef tanks. Now I Discovered they can be deadly to many kept corals, Feasting on them at Night. I had a pencil urchin that ate a …

Nov 15, 2019 · My sea urchin grabbed it, but since the bottom of the hats are not a full arched shape, it does not fit perfectly. The cowboy hat has quite a large area in comparison to the …

Jan 5, 2009 · About the only urchin I would recommend for a tank that is under 60 gallons would be a tuxedo. Regardless of the urchin you get you will eventually have to do supplemental …

Mar 6, 2019 · Love my urchins. I have a tuxedo urchin who is awesome and well behaved and a hitchhiker pincushion who does pick up frags. Right now she's carrying a zoa and some empty …

Oct 21, 2008 · It looks like th urchin he is talking about is just a colorful variation on the standard pincushion urchin. Here is a link: Rainbow urchin However here is the fire urchin previously …

Dec 1, 2023 · I added a short spine urchin to my tank a few days ago. He wedged himself under a rock and has not moved since and I can see a few of his spines on the sand. As far as I know, …

Jun 29, 2012 · Sea Urchins- Some Sea Urchins Have Venomous Spines: Don’t worry, a rabid sea urchin is not going to leap off the reef and fling spines at you. Sea urchins are non-aggressive …

May 29, 2014 · I love my "decorator urchin" (I have heard it called so many vairations of names - basically a solid-colored halloween urchin) but it gets its name for a distinct reason. As it …

Apr 26, 2023 · I was wondering if sea urchins eat bubble algae. I'm pretty sure they don't, but they look cool and have a little issue with bubble algae. Just wondering what everyone else thinks …

Apr 21, 2019 · I've seen various threads mentioning this topic, and it seems like some urchins eat sea stars, and some sea stars eat urchins, but I haven't seen any definitive lists or answers. If …