New Reef Hitchhiker Discovery

Regardless of it's current size, it bears the markers of a destructive crustacean. It could be the best, mild mannered, Mr. Bean of crabs, but it is still a crab, and the size of the claws in ratio to the size of the body, the black and sharply angled tips, and the body structure tell me that you do not want this getting bigger in your display tank.

At the end of the day, it's your tank, and your call.
 
This is only 1.5cm in size...
1.5cm for now...it won’t be for long. The dip in high salinity water will get it out if you can figure out his rock. You could keep it in the sump if you have one. Would be cool to watch it grow. You will be surprised how big it gets!! If not, there’s a fish store by me who takes all these monster crabs to feed their large predators.
 

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IF YOU WERE CHOOSING YOUR MAIN REEF TANK TODAY, WHAT SIZE WOULD YOU PICK COMPARED WITH YOUR CURRENT

  • Much smaller

    Votes: 1 3.6%
  • A little smaller

    Votes: 0 0.0%
  • About the same

    Votes: 1 3.6%
  • A little larger

    Votes: 9 32.1%
  • Much larger

    Votes: 10 35.7%
  • About the same volume, but different dimensions

    Votes: 3 10.7%
  • I’d keep this one and add a second tank

    Votes: 2 7.1%
  • I don’t have a reef tank yet

    Votes: 0 0.0%
  • Other (Post in the comments)

    Votes: 2 7.1%
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