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Old 10/30/2017, 09:52 PM   #1
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Join Date: Sep 2017
Location: Boston
Posts: 21
Question Crab - Hitchhiker - Safe?

I found this guy on my rock removed the rock fast from the aquarium and got him on my floor - see image attached

Is he safe for a reef aquarium?

Currently he is in a glass...

Ps: he is brown and his legs are hairy = oh and it is a male one

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Old 11/01/2017, 04:58 PM   #2
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No idea what it is but most are a bad idea. Would keep it separately until you know for sure.

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Old 11/01/2017, 05:26 PM   #3
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Im not to much into inverts, so take my words with a grain of salt. However, I scroll the forums a lot, and remember seeing someone with the same looking crab. Consensus was that it was not a good reef inhabitant. I think it was quite dangerous actually - for the tank of course.

I would quarantine him for now until you can get a positive ID.

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Old 11/02/2017, 01:19 AM   #4
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Location: Sacramento, CA
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Wish I was near you, I’d take him lol

Aquarium count: 7 salt: 2x10g, 29 biocube, 30g, 55g, 75g, 225g, and one fresh 20g planted tank!

Puffer, octopus, and mantis shrimp fanatic!
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Old 11/03/2017, 02:57 PM   #5
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Location: Long Island (NY)
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IMO, stick him in the sump or give him to someone with an interest in inverts. Better safe than sorry.


Over the years I've learned enough to know that I know very little and have a lot more to learn.

Current Tank Info: Taking a break
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Old 11/03/2017, 06:37 PM   #6
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Thanks guys,

I do not have a sump therefore cant place him there - probably take him to the LFS


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Old 11/12/2017, 06:34 PM   #7
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He's shaped like a predator, so treat him as such to be safe

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Old 11/13/2017, 05:59 PM   #8
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Looks a bit like a rock crab have you noticed any claw shed in your tank basically if its a rock crab get it out if it gets hungry enough it will eat anything it can catch i might be totally wrong but keep an open mind.

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