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Old 07-11-2019, 08:57 AM
Junior Member
Join Date: Nov 2018
Location: China
Posts: 6
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My wife put a crab in my tank - what is it?

After acclimation it mostly buried itself in the sand immediately. It hasn't moved for 24 hours except to grab sift through some sand in front of it. It's about 4 inches wide from elbow to elbow. Its pincers have been folded most of the time. Maybe 7.5 inches wide if extended?

Anyway, I have no idea what it is or if its safe for a tank. It's currently not in spare tank not my reef.
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Last edited by anchorlightsandpancakes; 07-11-2019 at 09:01 AM..
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