[Help] Good OR Bad?

Discussion in 'General Discussions and Advice' started by Triton, 30 Sep 2013.

  1. Triton

    Triton

    Joined:
    12 Nov 2009
    Posts:
    734
    Likes Received:
    2
    Location:
    Boksburg
    Hi Guys,

    Ive started seeing these white starfish guys a lot in my tank lately and since that my zoas have been dying.. Dunno if these guys are chowing my zoas or not..

    Anyway what are these and are they Good or Bad?
    Iv also seen tiny blue ones in my tank..

    20130930_185921.jpg
    20130930_185941.jpg
    20130930_190008.jpg

    20130930_185921.jpg

    20130930_185941.jpg

    20130930_190008.jpg
     
  2. AdS Guest




    to hide all adverts.
  3. RiaanP

    RiaanP Moderator

    Joined:
    11 Aug 2008
    Posts:
    23,142
    Likes Received:
    1,228
    Location:
    Centurion
    Some guys do not like them, claiming they do eat SPS. I got loads of them in my coral grow out tank with zoa's and do not have any issue.

    Rather check late at night for zoa spiders or sundail snails.
     
  4. RiaanP

    RiaanP Moderator

    Joined:
    11 Aug 2008
    Posts:
    23,142
    Likes Received:
    1,228
    Location:
    Centurion
    o yes, they are little astarina stars.
     
  5. EFJ

    EFJ MASA Contributor

    Joined:
    13 Sep 2011
    Posts:
    1,523
    Likes Received:
    272
    Location:
    Dwaalboom 60km's from Thabazimbi
    From what I understand and read of these astarina star fish is that you get the good kind and the bad kind. The good one's being the white one's (which I have and probably @RiaanP also) and the bad one's which are yellowish to tan in colour (like those in your photo's) that love zoa's and various sps's. Here is a site where they have some info on them REEF AQUARIUM FARMING NEWS 26p 2 .
     
    Last edited by a moderator: 26 Nov 2015
  6. Triton

    Triton Thread Starter

    Joined:
    12 Nov 2009
    Posts:
    734
    Likes Received:
    2
    Location:
    Boksburg
    Mmm.. Gee I just googled what zoa spiders look like and they tiny.. is there any other way of seeing if I have spiders.. do they have a web or nest?
     
  7. Triton

    Triton Thread Starter

    Joined:
    12 Nov 2009
    Posts:
    734
    Likes Received:
    2
    Location:
    Boksburg
    Ah! so mine are bad! Anyone want them?? feel bad just flushing them..
     
  8. EFJ

    EFJ MASA Contributor

    Joined:
    13 Sep 2011
    Posts:
    1,523
    Likes Received:
    272
    Location:
    Dwaalboom 60km's from Thabazimbi
    Guys with harlequin shrimps may be interested in them.
     
  9. RiaanP

    RiaanP Moderator

    Joined:
    11 Aug 2008
    Posts:
    23,142
    Likes Received:
    1,228
    Location:
    Centurion
    must admit, the ones I got lately is more of a blue colour. So far so good.
     
  10. EFJ

    EFJ MASA Contributor

    Joined:
    13 Sep 2011
    Posts:
    1,523
    Likes Received:
    272
    Location:
    Dwaalboom 60km's from Thabazimbi

    The various site's that I checked, most of them were hit and misses. As I said earlier it seems that the white one's are alright but the different coloured one's are the problematic kind. I would keep an EYE on these fella's just in-case (hopefully no problems).
     
  11. LCornelius

    LCornelius Moderator

    Joined:
    5 Mar 2009
    Posts:
    5,459
    Likes Received:
    124
    Location:
    Durbanville (CPT)
    I also had allot of the white ones and no issues!
     
  12. Triton

    Triton Thread Starter

    Joined:
    12 Nov 2009
    Posts:
    734
    Likes Received:
    2
    Location:
    Boksburg
    anyone keen? Else im flushing them.. rather safe than sorry :)
     
  13. RiaanP

    RiaanP Moderator

    Joined:
    11 Aug 2008
    Posts:
    23,142
    Likes Received:
    1,228
    Location:
    Centurion
    sump them.
    If you got a refugium going, put them there. Great little cleaners.
     
  14. carlosdeandrade

    carlosdeandrade

    Joined:
    24 Dec 2010
    Posts:
    8,230
    Likes Received:
    228
    Location:
    North Riding, Jozi
    Yes, certain species of Asterina stars are predatory. Some hard to distinguish from the bad ones. The ones you've taken a picture of don't look like ones I have seen and if you say your Zoas are dying, they could be a problem.
     
Recent Posts