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  #1  
Old 07/26/2007, 02:07 AM
oscarslr oscarslr is offline
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Talking Are Crabs Crappy

Ok ive read on here and heard that it is better to get snails because crabs dont really clean and create problems for some other ilfe in systems??? any thoughts or experiences
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  #2  
Old 07/26/2007, 02:17 AM
Pea-brain Pea-brain is offline
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Many crabs will kill snails for their shells, often deciding they won't like snail shells. Also they bother corals when they walk on them and can be clumsy and destructive. They do clean, but most aren't very efficient (scarlet hermits are pretty good at it I think, but will eat coraline) I prefer snails. I have thought about setting up a little 3 gallon just to keep hermits before. They are interesting, but I don't think they are the best for our show tanks......

Dan
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  #3  
Old 07/26/2007, 03:11 AM
ttomkat1 ttomkat1 is offline
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I can definitely attest to hermits getting large and taking over snail shells. As far as effectiveness goes, I prefer snails to hermits mainly cause snails can reach all tank surfaces including glass. But hermits are fun to watch!

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  #4  
Old 07/26/2007, 04:19 AM
uscharalph uscharalph is offline
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I wouldn't think of having a tank without hermits. Just my opinion.
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  #5  
Old 07/26/2007, 09:48 AM
beansandmia beansandmia is offline
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I have both.
  #6  
Old 07/26/2007, 11:07 AM
drummereef drummereef is offline
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I don't keep hermits anymore because of their opportunistic nature. If they need it, they will take a snail shell at any opportunity.
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  #7  
Old 07/26/2007, 11:28 AM
mikieaggie99 mikieaggie99 is offline
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I don't lose any more snails to crabs than I do to bristleworms who happen to catch an astrea flipped over, and everyone around here likes bristleworms.

Plus, crabs are kinda fun to watch.
  #8  
Old 07/26/2007, 12:34 PM
MalHavoc MalHavoc is offline
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I used to have both in my tanks. You can minimize (but not eliminate) the snail shell problem by keeping a lot of empty shells around in your tank, so the crabs have something to move into when they grow.

I think a lot of the snail shell stealing occurs when a snail falls off of a rock or your glass, lands upside down, and dies. It happens a lot, especially with snails like astrea or turbo snails. Crabs small the dead snail, and eat it and move in - often leaving the reef keeper thinking that the crab killed the snail for the shell.
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  #9  
Old 07/26/2007, 12:47 PM
capn_hylinur capn_hylinur is offline
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another Canuck--yeah.
I agree but the other thing is not just to focus on the poor hermits----there are many varieties of snails--and they have different cleaning abilities eg nassiarius like to burrow in the substrate and keep it clean. Clams and feather dusters are great water filterers.
Emerald crabs(if you find the right variety) are one of the few inverts that will eat bubble algae.
Starfish and small urchins are also create for cleaning glass and rockwork.
Then there are varieties of shrimp that do a great job--cleaner shrimps, coral banded etc etc
One of the great things about having a reef variety is you can have this great variety and enjoy looking at them while they do their cleanup jobs
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