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  1. General Reef Discussion
    Hi all, Just got a blue tux urchin from LA. Looks like he lost about half his spines in shipping and he has this weird green patch on him? Any ideas on what the spot is? Medications/treatment? I put him in the tank and he immediately spawned- (I think) idk if thats a good sign or bad? Thanks!
  2. General Reef Discussion
    Hi my urchin has been acting weird today. I found him just sitting on the top of the tank. He’s not on the rock, he’s in a corner on the glass. Is this normal?
  3. General Reef Discussion
    I am seeking advice for my 65 gallon tank. It has mostly live rock and I want to add some coral or other items. The problem is that I have a pencil urchin that has been very good at eating algae down to the rock (mostly coralline). Yes, I know that urchins and corals don't mix well but I was...
  4. Crustaceans
    Good day!<?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p> I have acquired an urchin (either a purple or short spin) to save him from death from another reefer who couldn’t care for him (was about to put it into a freezer). So my tank is pretty new...
  5. General Reef Discussion
    I’m just going to dive in with a thousand and one questions. I jumped in with little money and less experience, but everyone’s gotta start somewhere… right? Things are going well so far. Feel free to add your critiques. 55gal Amm 0 Nitrite 0 Nitrate 5 Gravity 1.025 Calcium ~500ppm Alk ~1000...
  6. General Reef Discussion
    imgur.com/a/fsG2Z I’m just going to dive in with a thousand and one questions. I jumped in with little money and less experience, but everyone’s gotta start somewhere… right? Things are going well so far. Feel free to add your critiques. 55gal Amm 0 Nitrite 0 Nitrate 5 Gravity 1.025...
  7. General Reef Discussion
    Ok so is there anyway to keep my urchin from collecting / eating my hermits??? Love having it in the tank but this is getting annoying. Yes I do feed it directly every couple of days.
  8. General Reef Discussion
    Just purchased an urchin a couple days ago and he was as happy as could be...moving around the tank and seemed that way at least. I noted he lost some spikes which are a stress reaction and I read people saying to feed them algae wafers and it's a happy supplement. Well, I gave him one and now...
  9. General Reef Discussion
    So i recently bought a Pencil Sea Urchin well i bought it yesterday. And while it was in its bag it was fine. but when i finally left it in my tank it stooped moving. the Spines are still attached but it has not moved since. i thought it was because i had left him in a cave and he was having...
  10. General Reef Discussion
    Hey guys, I'm new to salt water tanks, I've had fresh water tanks for a few years now. I'm an animal science (pre-vet) student. Well long story short. In my reproduction physiology class, we collected semen and eggs from urchins, and then were suppose to dissect them while they were alive. Well...
  11. Crustaceans
    Ok - a little silliness, but wow, does a sea urchin poop a whole lot! It took me a week before I actually saw it in action and finally figured out what the heck all those little balls on the sand were. So... next logical question... do I have to clean this up, or does another critter in the...
  12. General Reef Discussion
    Is this a pencil urchin? It's about a centimeter in length. I've had my tank roughly half a year and my wife noticed this little critter running around my tank. It's been there the entire time, as we've had no new additions in many months.
  13. General Reef Discussion
    Is it safe for a Sea Urchin and Bubble Tip Anemone to be touching? :(
  14. General Reef Discussion
    My tuxedo urchin is carrying a ton of crap around. He's currently sporting two astrea shells, some nori, a piece of coral and a clump of bristles from a shaving brush plant. Being smaller than a ping pong ball, he's pretty much completely invisible under his collection of trinkets. I thought...
  15. General Reef Discussion
    I have noticed one or possibly two very small (size of a BB) black urchins out in my new tank. Must have hitchhiked with the LR. What should I be concerned or excited about this find?? I will try to post a pic but they are rather photo shy. Thanks
  16. General Reef Discussion
    Anyone know ? https://www.facebook.com/photo.php?v=10201160421887107&set=vb.1666771429&type=2&theater
  17. Photography Forum
    Well I can't upload the others so here's a full shot for now.
  18. General Reef Discussion
    Hello everyone, I have a halloween urchin in my 37 gallon reef. I have had him for about 2 months now. I have pretty good coralline growth but i want my rocks to be COVERED in deep purple. I just read that urchins eat coralline algae. will I still see exceptional coralline growth given the...
  19. Crustaceans
    I have a purple red short spines urchin and I feed him a 2x2 inch piece of dried seaweed everyday. He is about 3in across and after i feed him he is still rolling around. My tank has almost no algae at all besides the coraline on the rocks and some brown algae on the glass but not much of it and...
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