Spiny Brittle Starfish ID

Discussion in 'ID Needed' started by Bendor, 10 Feb 2013.

  1. Bendor

    Bendor

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    I found this guy in the back right compartment of my RSM 250 when I removed the plug box for something. I don't know how long it's been there and could have come in on the rock from the start or corals/rock that I got later.

    I'm having trouble getting information on the net. So far I've gotten as far as
    1. Spiny Brittle Starfish
    2. Not Green Death

    Can anyone help with an ID? If it turns out not be safe for mixed reef, inverts etc. it's a free gift to a good home. Thanks in advance.

    [​IMG]

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  3. LouiseS

    LouiseS

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    no idea but looks rather dangerous :eek:
     
  4. Gesiggie

    Gesiggie Challenge accepted

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    It looks like the macro brittle stars. Good things for your aquarium.
    The reason why its legs look so funny, is because it lost it at some point, and the thin ends are new growth.
     
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  5. Bendor

    Bendor Thread Starter

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    My thoughts exactly. Moves like an octopus leg over leg. Fast little bugger. I started on the right compartment and eventually only caught him after removing both my flow pumps and my skimmer. Then I hunted him with my headlight and 30cm tongs. (at 24h00) He is now in my quarantine tank.
     
  6. Bendor

    Bendor Thread Starter

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    Great! Thanks @Gesiggie. I'm hoping for good news as lots of the websites say most of them are safe, good scavengers but unfortunately never seen again unless you're up at sinful hours with a red light.

    Pushed the button. Hoping for some more good info.
     
    Last edited by a moderator: 26 Nov 2015
  7. Gesiggie

    Gesiggie Challenge accepted

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    I have had one in my system for over a year now, and if he sits at the right place, I actually manage to handfeed mine. He readily eat flakes. I normally only see legs dangling from the rockwork, and occasionally after lights out I will actually see the whole animal come out.

    The are great scavengers, and prefer to hide.

    Yours just look as if he had a small misfortune with a pump, losing all his legs (parts of it at least :) ) but they are regrowing, and will hopefully eventually reach full thickness again.

    So enjoy him ( what you see of him when not in hiding) and remember, they are very sensitive to any medicines in a tank, especially copper...
     
  8. Bendor

    Bendor Thread Starter

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    Sound about right. He slipped through the overflow grid and I first saw him right next to one of my pumps in the "sump" area. Shame.
     
  9. Gesiggie

    Gesiggie Challenge accepted

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    Well, they are regrowing, he should be fine and quite happy in your DT.
     
  10. RiaanP

    RiaanP Moderator

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    awesome hitchhiker.

    These are cool to have. As said they are a real nice part of the clean up crew. I used to hand feed mine flakes, hake, mussel whatever. Until he decided to move to another part of the tank and I cannot get to him anymore.

    This one is not the green death. They get big and can eventually hunt smaller fish while they sleep.

    You should by now know that it does not like light, and can move rather quickly to hide.

    The legs normally hangs out into the water column, waiting to catch something. And that is the only part of him you will normally see.
     
  11. Bendor

    Bendor Thread Starter

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    Last edited by a moderator: 26 Nov 2015
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