Peppermint shrimps... really "reef safe"?

Discussion in 'Reef Fishes' started by dasho, Jul 22, 2003.

  1. dasho

    dasho Guest

    I've just found an old post on that topic and would like to add my
    observations.
    Lysmata wurdemanni (Peppermint shrimps) do prey upon Stomatella snails. at
    night i used to have about 40 of these little algae grazers only on my front
    glass (wonder how many 'round the tank), after introducing the peppermints
    they slowly started to disappear, some were just mutilated (they often leave
    predators eat their hind part of the body as a gecko would do with its tail)
    but soon many stomatella shells started to lay on the tank bottom. One night
    i've found one peppermint shrimp grabbing a grazing stomatella and being
    "attacked" by a second, bigger shrimp, who stole this freshly catched prey.
    Stomatellas are almost extinct in that tank and i try to move the few
    survivors to safer quarters (my nanoreefs)
    Peppermint shrimps also will attack and kill other tankmates (for example
    freshly molted crustaceans, also they once killed a still alive Lysmata
    Debelius which was trying to get acclimated in my 25Gal.) and will
    dramatically decrease populations of microfauna as various 'pods.
    I recognize them as a great resource for Aiptasia problems, but i'm not so
    sure they can be considered "reef safe", ok they will not eat corals, but
    our tank's equilibrium is based on many other factors which the presence of
    peppermint shrimps seem to threaten.
    Any similiar experiences?
     
    dasho, Jul 22, 2003
    #1
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  2. They are Reef safe - really, really. I think they got a bad rep. because
    some people might confuse them with camelback shrimp (Rhynchocinetes
    durbanensis).
    Steve
    --
    Check out the Reef Tank Webcam (24hrs - Live) at http://srfmon.camarades.com

    "dasho" <dashootah@yahoo.it> wrote in message
    news:_%aTa.806$Za4.20374@news2.tin.it...
    > I've just found an old post on that topic and would like to add my
    > observations.
    > Lysmata wurdemanni (Peppermint shrimps) do prey upon Stomatella snails. at
    > night i used to have about 40 of these little algae grazers only on my

    front
    > glass (wonder how many 'round the tank), after introducing the peppermints
    > they slowly started to disappear, some were just mutilated (they often

    leave
    > predators eat their hind part of the body as a gecko would do with its

    tail)
    > but soon many stomatella shells started to lay on the tank bottom. One

    night
    > i've found one peppermint shrimp grabbing a grazing stomatella and being
    > "attacked" by a second, bigger shrimp, who stole this freshly catched

    prey.
    > Stomatellas are almost extinct in that tank and i try to move the few
    > survivors to safer quarters (my nanoreefs)
    > Peppermint shrimps also will attack and kill other tankmates (for example
    > freshly molted crustaceans, also they once killed a still alive Lysmata
    > Debelius which was trying to get acclimated in my 25Gal.) and will
    > dramatically decrease populations of microfauna as various 'pods.
    > I recognize them as a great resource for Aiptasia problems, but i'm not so
    > sure they can be considered "reef safe", ok they will not eat corals, but
    > our tank's equilibrium is based on many other factors which the presence

    of
    > peppermint shrimps seem to threaten.
    > Any similiar experiences?
    >
    >
     
    Steve \Srfmon\, Jul 23, 2003
    #2
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