Hermit Crabs

Discussion in 'Invertebrates' started by vatso, 7 Jan 2010.

  1. vatso

    vatso

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    Hi all

    Do hermit crabs fight one another?

    Riaanp your big ass hermit is fighting one of my smaller hermits.

    is this normal?

    Mark
     
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  3. Jaco Schoeman

    Jaco Schoeman MASA Contributor

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    Yip, they will kill each other actually. Normally, you can even see a smaller hermit taking on bigger ones to fight for it's shell.

    Hermits even kill off snails to get bigger shells. To help aleviate the stress, place emty shells (just larger than they have now) in the tank, and they will rather take them for a ride.
     
  4. vatso

    vatso Thread Starter

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    Okay so who has shells then? I don't have any

    it seems the bigger one is fighting the smaller guy he can't use his shell!
     
  5. Sentari

    Sentari

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    You can get them from the LFS. What area you from?
     
  6. vatso

    vatso Thread Starter

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    Midrand JHB

    My word even with shells do you think they will stop fighting?
     
  7. Jaco Schoeman

    Jaco Schoeman MASA Contributor

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    Yes, my hermits always "challenge" one another when they come in contact. I had a HUGE blue legged hermit who was king of the hill, and took out about two other hermits per week. Even caught and killed a Bangai Cardinal. It was the biggest Blue Legged I have ever seen, so I took it to my LFS rather.

    Another issue: do you feed it (directly or indirectly doesn't matter)
    Remember they are scavangers, but like all scavangers, will make their own food if need be. Do you feed your fish mysis etc? This will also fill their tummies and make them less of hunters.

    They are canibals, and will eat their own kind - like Hanibal Lector

    Oh PS: Find out from Idol Marine. Many reefers has spare ones - so maybe post a new thread asking for some...
     
  8. RiaanP

    RiaanP Moderator

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    Yip they should stop. Sorry forgot to give you a few empty shells, but I'm running low as well.

    They are very vulnerable when the shed or mould. Others can take the opportunity and attach them then.

    And if you do see a dead hermit, do not panic straight away. Count first, could be that you are looking at the old skin.
     
  9. vatso

    vatso Thread Starter

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    I feed them both frozen & dried food!

    No problem Riaan & again thanks for the goodies - I think he is just being a bully!!

    why would a larger hermit want a smaller shell? that he can't fit into?
     
  10. Jaco Schoeman

    Jaco Schoeman MASA Contributor

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    Cause if the bigger hermit molts, its skin is VERY soft as riaan says. Then he has 0 defence against smaller hermits with rock hard pinchers etc.

    Why does large male lions kill off their own male cubs? Cause the only thing that is never in any one or any things' side, is time... Just a theory though... ;)
     
  11. Sentari

    Sentari

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    They not the brightest animals... They wont even realise that they cant fit into the shell. All they know is its another shell
     
  12. vatso

    vatso Thread Starter

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    I wonder if he know I have a hammer & a much bigger bully - LOL


    where is the mantis shrimp when one needs one :)

    Okay will pop past Idol today see if they have or does any other reefer have some shells. it's not for me or a necklace
     
  13. RiaanP

    RiaanP Moderator

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    As Sentari said, he does not know he cannot get his backside in until he tries.

    Just a question, are it the same species? Might be that he sees the other as food...
    (but unlikely)

    Just do not buy any other livestock while there. Your tank is still cycling, and bacteria population needs to expand to be able to handle the one fish you already added. Maybe in a weeks time.
     
  14. vatso

    vatso Thread Starter

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    They all the same - well they look the same & got the same colors :)
     
  15. slless9

    slless9

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    hey guys, what exactly do you feed them
     
  16. crispin

    crispin

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    hi slless, welcome to masa :)
    hermits are scavangers in our tanks, flitting around the LR and picking up old food and things to eat them,selves so they dont need to be specifically target fed as such. you can give them a cracked open mussel if u are feeling generous and they will gladly accept it, or some raw shrimp etc. but generally hermits dont need feeding as such
     
  17. Tremayn

    Tremayn

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    at first I felt sorry for my hermit because it kept coming to the glass when I was feeding the shrimp looking all sad, but it never take any of the fish I gave him or mussel (chromis went crazy for the fish though) ... So pretty much they just go around all day grazing
     
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