Please tell me what this guy is?

Discussion in 'ID Needed' started by CliveS, 15 Jun 2010.

  1. CliveS

    CliveS

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    I have a new Buyo 550 (138l) which is in its' 4th week of cycling (no livestock yet).

    This chap must have arrived on the LR, or in the aragalive sand.

    I first noticed him about two weeks into the cycle. He tends to hide in a crevice of one of the rocks, with one or two tendrils coming out and feeling around.

    Tonight I managed to get a shot of his full body. It's not a great shot, as he moved pretty quickly while I was still trying to set up the shot, so please excuse the blurriness!

    He has four legs/tendrils and I am certain that he cleaned a load of brown algae off the white rock (to the right of the picture). He must be about 5 to 6 cms in diameter.

    Can anyone tell me what he is and if he is friend or foe.



    32564c17b8cb944bf.jpg



    Thanks
     
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  3. Johan van Aardt

    Johan van Aardt I love marines [R.I.P.]

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    brittle star, they are ok to have in a tank but sertain of them become trouble when big
     
  4. OP
    CliveS

    CliveS

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    Wow that was quick!! Thanks Johan.

    Are these the guys that can sting?
     
  5. Johan van Aardt

    Johan van Aardt I love marines [R.I.P.]

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    nah the brittle worms sting, but i have not experienced this myselg.
     
  6. OP
    CliveS

    CliveS

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    Oh that's what I was thinking of.

    Thanks so much. Have a great weekend.
     
  7. Tobes

    Tobes Retired Moderator

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    I had one in my previous tank, cool guys and not a problem when small....however, when big, like mine was, my cleaner shrimps dissappeared although I fed the star every 2-3 days. I had no other predators in the tank. If one day you wanna take it out, just be careful cause they throw off some of their legs to escape - it will grow back though :)
    Mine was 34cm across, one leg was 15cm - here are 2 pics. That orange spotted goby was 10cm long, just to give you an idea.

    4644c17c6fe23106.jpg

    4644c17c760aac5b.jpg
     
  8. RiaanP

    RiaanP Moderator

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    I got 2. One inside a big round piece of LR soccer ball size, with only tentacles sticking out. Never comes out.

    The other even bigger one I caught December in Ballito. Stays other side of the tank at same spot and also do not come out. Big boy, I reckon about 30cm across.

    Then I found loads of small bristle stars, babies. Looks like the same colours as the one in the soccer ball. If they are its babies, :thumbup:. In total 1cm across.

    Local Bristle starfish are not predators. They are reefsafe. Others like the green is not fish safe.

    I feed mine once a week a piece of hake.
     
  9. OP
    CliveS

    CliveS

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    Geesh if it grows that size in my 138l tank - it's going to have to curl up to fit in!
     
  10. deadmeat2016

    deadmeat2016 Wouter

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    I got 2 blunt spined bristle stars and they are amazing scavengers, they dont sting or bite and are quite timid, also got about 6 mini ones which are about the size of a R1 coin hidden inside zoa colonies and between shrooms.

    Tobes - nice star :thumbup: do u know what species it is? and what did you end up doing with it?
     
  11. Tobes

    Tobes Retired Moderator

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    Can't remember the species and swopped it at the LFS for something else. When they get that big, they can eat some stuff in the tank. I mean I did not have any other predators, not even a nennie and the one day the one shrimp was just gone and a few days later the other one, no bodies where ever found :(
     
  12. Johan van Aardt

    Johan van Aardt I love marines [R.I.P.]

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    anyone know of someone in cpt that has those mini brittle stars, would love to get some of those as a clean up crew
     

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