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  1. General Reef Discussion
    Hello, I am just wondering if this is normal... I have a Black Longspine Urchin and it has been doing pretty good in my tank for about 4 months now, but it has been recently either growing or changing colors of its spines. The long ones in the middle have in the past been pure black, but...
    changing longspine urchin
  2. General Reef Discussion
    This morning I looked in the tank and right in the front in the middle of the glass was my longspine urchin which is not unusual. What was unusual is on his mouth was a porcelain crab. The crab seems to be fine and the urchin was moving around looking fine except for the crab on his mouth...
    longspine urchin porcelain crab
  3. General Reef Discussion
    I have had my longspine for about a month now and up until recently he always hid until night. Lately he has been coming out earlier and earlier even while the tank light is on. he roams around the tank, hangs on the glass, knocks EVERYTHING over. His spines are beautiful and he looks fine...
    longspine urchin
  4. General Reef Discussion
    Ok I just noticed today that in a few places between the rocks there are tiny tiny things swimming around at the bottom near the sand. If anybody knows what this is would be greatly appreciated... Thanks..
    longspine urchin
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