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.
 

IF YOU HAD TO OPERATE EVERYTHING ELSE MANUALLY, WHICH AUTOMATED SYSTEM WOULD YOU KEEP?

  • Auto top-off

    Votes: 60 57.7%
  • Automated dosing

    Votes: 6 5.8%
  • Mechanical filtration / roller filter

    Votes: 4 3.8%
  • Automated water testing

    Votes: 3 2.9%
  • Automatic feeding

    Votes: 1 1.0%
  • Lighting schedule

    Votes: 20 19.2%
  • Controller and remote monitoring

    Votes: 4 3.8%
  • Leak detection and emergency shutoff

    Votes: 2 1.9%
  • Automatic water changes

    Votes: 3 2.9%
  • None. I prefer to operate everything manually

    Votes: 0 0.0%
  • Something else (explain in the comments)

    Votes: 1 1.0%
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