2018年6月16日 · 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 whole frag of clove Polyps one evening.

2019年3月6日 · 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 shells. I'm in the group who will never have a tank without an urchin- they're just so fun to watch. Be careful to protect wires in the tank.

2008年10月21日 · 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 mentioned. Fire Urchin They look a lot alike so be careful. Also be careful pulling it out of the tank because they can hold on very tight and you don't want to ...

2020年2月3日 · 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 small contact area for the sea urchin to hold on to it. With the water flow and rocks, the hat will come loose after awhile.

2009年1月5日 · 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 feedings because it will end up eating all of your algae …

2014年2月26日 · Some urchins are not reef-safe. I believe the diadema (spiny) or tuxedo urchins are your best bet, though I wouldn't trust me on that XD check up on the exact species before purchase.

2022年6月2日 · Apologies if this the wrong section but I wasn’t sure where to post. I have a pin cushion sea urchin and have been looking for some hats for him. However I can’t seem to find any reasonable sellers in the UK. The only one I’ve found is selling a …

2018年7月29日 · How do you feed your sea urchin? Mine is a diademma urchin and i try to drop an algae wafer made of nori to it but it doesnt always get it. Is there an easy way to feed them? Id like to feed it daily because its cleaned my rocks, but its becoming a pain.

2017年1月15日 · I have a long spine sea urchin and recently placed a new long tentacle anemone in the tank. He was super small and was settling in. Then yesterday in noticed the sea urchin in the exact same spot the LTA was in. Today the LTA …

2019年4月21日 · 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 there's an article or chart with a complete list please link! I have a long spine urchin and pink urchin, and the better half really wants a colorful starfish.