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  #1  
Old 01/11/2008, 07:49 AM
Alexa&Walt Alexa&Walt is offline
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New Hitchhiker discovered...WOW!!!!/question?

Well, we've had our 65gal reef tank for 11months now...and we're never CEASED TO BE AMAZED.

This morning, we're feeding the fish...and watching our growing colony of 8 Zoanthids catch the shrimp...when I notice something on the Rock behind.

Lo and hehold, it's a starfish...very small (about the size of a dime).

He/She's white in color....and slowly moved across the rock and out of sight.

Two questions:

1. Since he's white (and very immature) is there any way of knowing what kind of starfish he might be?

2. Will he harm my reef/corals or will my fish try and eat him. Apparently, they haven't thus far.

Thanks...

Alexa and Walt
Birmingham, Alabama
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  #2  
Old 01/11/2008, 08:45 AM
taillonjohn taillonjohn is offline
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did it have skinny long arms/tentacles? If yes, I say its a micro-serpert or brittle star. Its safe, it'll be part of the clean up crew
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  #3  
Old 01/11/2008, 09:21 AM
Alexa&Walt Alexa&Walt is offline
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Not really

It looks just like a normal white star fish...only very small.

Perhaps a sand sifter...

Do they change colors as they mature or is he gonna be white all his life?
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  #4  
Old 01/11/2008, 10:15 AM
NirvanaFan NirvanaFan is offline
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sounds more like an asterina star to me.
  #5  
Old 01/11/2008, 10:19 AM
Alexa&Walt Alexa&Walt is offline
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Is that good or bad?

Good star fish or bad star fish?
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  #6  
Old 01/11/2008, 10:21 AM
rbrusletto rbrusletto is offline
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could be asterina also, does it look like this?

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  #7  
Old 01/11/2008, 10:40 AM
NirvanaFan NirvanaFan is offline
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good. have a read here
http://www.wetwebmedia.com/asterinafaqs.htm
  #8  
Old 01/11/2008, 10:43 AM
Alexa&Walt Alexa&Walt is offline
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has 5 arms

again, he/she's very small...about the size of a dime....but with 5 arms and very symetrical....
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  #9  
Old 01/11/2008, 10:50 AM
Sk8r Sk8r is offline
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symmetrical is unusual and dime-sized would be 1/4 inch larger than most asterinas.

Knowing the habits of almost all stars, I'd catch that little guy and raise him to size in the sump where detritus will be his only food.
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  #10  
Old 01/11/2008, 10:52 AM
Randy Holmes-Farley Randy Holmes-Farley is offline
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I'd have to agree that finding new and unexpected things that come in with live rock is one of the coolest things about this hobby. I've got many things in my tank that I did not intentionally add, including many tiny brittle starfish.

It is also a drawback of certain kinds of live rock that have very little life on it, although I know some folks prefer that to avoid undesirable species of various sorts.
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  #11  
Old 01/11/2008, 11:15 AM
camlov2 camlov2 is offline
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Does anyone have a good link that shows the big brothers and sisters for the asterina? I have one in my tank that sounds nearly identical and though it was strange that it was getting so big. I would like to read up on the other types of stars that it might be.
Brian
  #12  
Old 01/11/2008, 11:55 AM
stevelkaneval stevelkaneval is offline
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Does the star have fat arms or are they really skinny with what look like needles comeing off the arm?
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  #13  
Old 01/11/2008, 12:02 PM
Alexa&Walt Alexa&Walt is offline
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Fat arms

Seriously, it looks just like a white star fish....only in miniture...
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  #14  
Old 01/11/2008, 01:09 PM
NirvanaFan NirvanaFan is offline
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There are star fish with only 5 arms, some with 8, some even have as many as 16 arms. Some arms are short, fat, long, skinny, have thorns on them, or hair like things on them.

You're probably going to have to give us a better description for anyone to ID it. A picture would really help too.
  #15  
Old 01/11/2008, 01:44 PM
rustybucket145 rustybucket145 is offline
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Saying it 'looks like a starfish' doesn't really say anything at all..... There are literally thousands of kinds of starfish. Unless you can give a better description or supply some pics there's really no way of anyone identifying it for you.

I'd lean toward Asterina right now. I have seen quite a few of them in my tank that have 5 legs and are very symmetrical. I doubt they stay symmetrical forever, I just see them at the right time.
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  #16  
Old 01/11/2008, 01:47 PM
phenom5 phenom5 is offline
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My vote would still be asterina, based on the description. I've had some in my tank that got pretty big before they split. Any way you can get a picture of it?
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  #17  
Old 01/11/2008, 01:56 PM
hyrumbradshaw hyrumbradshaw is offline
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Yeah I had some of those in my tank and they even multiplied.....until I added my diamond goby, I caught him munching on one once and I have not seen any in a long while haha.
  #18  
Old 01/11/2008, 02:07 PM
ken123 ken123 is offline
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Does it look like the third one down all the way to the right?

Click here for ID.
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  #19  
Old 01/11/2008, 04:31 PM
Alexa&Walt Alexa&Walt is offline
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No Sir....

I'll take a photo and send....I do have a diamond goby and he may eat him/them.

Dunno....
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