Id this crab

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what crab is this found it in my tank
? have a fish and inverte system, is it safe to put it back?
 
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yes its the same, was lucky to catch it, what harm can it do in the tank? sorry for all the questions but im a student in this awsome hobby
 

Mike

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yes its the same, was lucky to catch it, what harm can it do in the tank? sorry for all the questions but im a student in this awsome hobby
Most crabs are opportunist when they are big enough, even those that are considered algae eaters, best to remove it when small if you can.

I would point out that the crab in your tank went to bed one night and woke up, scratched , then wandered out and thought "where the hell am i? i'm bloody sure i went to bed in the pacific???" so when you remove it, spare it a thought.;)
 
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shame the poor thing, its very shy. wont kill it , wont it die in the sump. found a creature on one of the life rock small white tenticles very thin bout 4 tenticle, every now and then it squirts out a blob of slime, do you know what it can be?
 

Al

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Hi Burt

I caught the same crab in my tank. The one i caught killed my Yellow watchman Goby and my Star fish. Its best to remove them.
 
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ok thanx , can anybody id the thing on the life rock, if you zoom in you will see small tenticles?
 

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