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  1. #1
    Senior Member Cmarty01's Avatar
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    Conch Vrs killer hermit

    I just bought a conch today and within half an hour of being in the tank my largest hermit (about 1/2 to 3/4 the size of the conch) was trying to attack it and take the shell. Should I be worried about this? Can a hermit kill and conch in order to get the shell or will the conch be able to defend itself? Should I find a nice big shell for the hermit to avoid fighting?

    Currently the Hermit is taking a time-out in the sump.
    :hammerhea
    55 Gallon w 22 lbs of live sand and 40 lbs of crushed coral.
    60 lbs of live rock. 220 watts PC lighting.

    Damsel, clowns, xenia, digitata, green star polyps, torch, zoo's, candycane, shrooms.

  2. #2
    Moderator mike536's Avatar
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    I'd try to find a big shell for your hermit buddy. You can find alot of shells of various sizes on ebay for pretty cheap.
    Cheers,
    Mike Philpott

  3. #3
    Senior Member mickyfin's Avatar
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    Try putting a larger shell in your sump. Maybe the hermit will take to it.

    Its not unlikely your hermits will try this again. I don't trust crabs, period
    Don't Panic Feel free to visit my blog -> Internet Tough Guy.

  4. #4
    Moderator Krugar's Avatar
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    I think there's a division on hermits. After witnessing an 8 hour attack on a cerith snail I'm convinced that a hermit cannot kill a healthy snail.

    I still have both of them in my nano & the cerith still has it's shell.
    There is nothing so permanent as a temporary measure.

  5. #5
    Senior Member Cmarty01's Avatar
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    This guy is being really persistent. I've placed him on the opposite side of the tank 3 times and he's just b-lined for the conch all 3 times. I've never seen a hermit move this fast.

    Looks like I'll have to get him a bigger shell, maybe he has littleman syndrom now that he doesn't own the biggest shell in the tank.

    :frustrate
    55 Gallon w 22 lbs of live sand and 40 lbs of crushed coral.
    60 lbs of live rock. 220 watts PC lighting.

    Damsel, clowns, xenia, digitata, green star polyps, torch, zoo's, candycane, shrooms.

  6. #6
    Moderator Krugar's Avatar
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    Nothing wrong with getting him a bigger shell
    There is nothing so permanent as a temporary measure.

  7. #7
    Senior Member Cmarty01's Avatar
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    Unless it just allows him to grow bigger and become more aggresive. Then the conch won't stand a chance. I picked up this hermit and it tried to attack me, he's the most vicious little bastard I've ever seen.
    55 Gallon w 22 lbs of live sand and 40 lbs of crushed coral.
    60 lbs of live rock. 220 watts PC lighting.

    Damsel, clowns, xenia, digitata, green star polyps, torch, zoo's, candycane, shrooms.

  8. #8
    Moderator Krugar's Avatar
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    I don't know if hermits stop growing when their shell gets too small.

    Anyway it took about 8 hours of constant attacking the cerith for my hermit to give up on it. I was working from home & the nano's beside my one of my computers.

    The clicking sound from the shells banging together was loud enough to hear quite well outside the tank. The hermit was violent & persistant enough that I figured I had to sacrifice one of the ceriths so that the other 2 would be okay.

    Turns out the snail just turtled up and waited for the crab to go away.

    I could have rambo the cerith snail or a really wimpy hermit. But that's my experience.

    Cheers!
    There is nothing so permanent as a temporary measure.

  9. #9
    Senior Member Cmarty01's Avatar
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    Thanks for input, but if it was a snail I really wouldn't care, conch's are a little more expensive so I do care. The hermit will stay in the sump till I get a bigger shell and if that doesn't solve the problem he will be up for grabs.
    55 Gallon w 22 lbs of live sand and 40 lbs of crushed coral.
    60 lbs of live rock. 220 watts PC lighting.

    Damsel, clowns, xenia, digitata, green star polyps, torch, zoo's, candycane, shrooms.

  10. #10
    Senior Member reefmutt's Avatar
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    hmmm.. this is a good question- it's kinda like alien vs predator! I've seen many a hermit eat their way into healthy snail shells. But a conch? I don't know, but I wouldn't risk it...
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

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