Cowry and peppermint shirmps - dangerous to corals???

Discussion in 'Invertebrates' started by avdp, 4 Jan 2008.

  1. avdp

    avdp

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    Hi,

    Just need some advice please. We have had our peppermint shrimps from the start, behaved well. Added zoas and ricordeas (sp?), all fine. Now added a brain coral, and fox coral, and saw one shrimp picking at the brain. Read in Corals by Borneman Cowries and certain shrimps can be bad with corals.

    Any opinions??

    Thx
     
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  3. Mike

    Mike Retired Moderator

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    Never heard of peps eating brain coral - but my pep ate all my yellow star polips :(
     
  4. herkie

    herkie R.I.P.

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    The greatest lesson in life is to know
    that even fools are right sometimes.

    Take note.
     
  5. viper357

    viper357 Admin MASA Contributor

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    Are you sure they are true peppermint shrimps and not camelback shrimps? They look almost identical. The camelback is known to feed on corals occasionally.

    How long has the brain been in the tank? Is it healthy?
     
  6. Shaun

    Shaun Retired Moderator

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    You lucky you see your peppermint shrimps, got 2 have had no prob with them, but then again I hardly ever see them. Camelback is another story.
     
  7. avdp

    avdp Thread Starter

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    Fairly sure they are true peppermints. See them quite regulary. Had a good look at them when we got them, and they looked nothing like the pictures of the camelbacks. Coral looks very healthy. Only got him today. Looks to me like he was picking at the 'slimy' stuff it gave off when we put it in the tank.

    Any ideas on the cowry snails???

    Herkie - I don't understand?
     
  8. Mike

    Mike Retired Moderator

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    My Sig;)
     
  9. avdp

    avdp Thread Starter

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    Ha ha!
     
  10. LikesFish

    LikesFish

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    I would not place cowries in a reef tank. Mine bit all my soft corals. He is now banished to the sump.
     
  11. avdp

    avdp Thread Starter

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    Oh no! That's not good news then!
     
  12. LikesFish

    LikesFish

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    AFAIK Money cowries are considered reef safe, but all the ones I bought from LFS shops seem to like soft coral.
     
  13. avdp

    avdp Thread Starter

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    [​IMG]

    [​IMG]

    Peppermint Shrimp or Camelback?
    (Sorry - he is so fast!)
     
  14. LikesFish

    LikesFish

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    Looks like peppermint. Cambelback looks way different. On a peppermint the lines are red and blends in with the body's colour. On the camelback the lines are highly contrasting with the body - red on white:

    [​IMG]
     
  15. LikesFish

    LikesFish

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    I think viper was referring to Lysmata californica and Lysmata wurdemanni - both called Peppermint Shrimp. californica is a cool water species and slowly dies in our reef tanks. They tend to eat polyps. wurdemanni also has a tendency to eat polyps, but this is the one most often employed to eat aiptasia.

    Camelback shrimps are from the genus Rhynchocinetes, and definitely eat coral and polyps - much more so than the peppermint.
     
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