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Old 12-29-2011, 09:02 PM   #1
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My tank has just completed its initial cycle. I was getting a water sample to have tested prior to CUC addition and discovered this tiny starfish. Is it something I need to worry about? Thank you.

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Old 12-29-2011, 09:17 PM   #2
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As to my knowledge, most of those species are ok. Some can harm some corals. The only real problem is that they reproduce at an alarming rate. I had some in my 30 gallon and started picking them out after awhile. They're kind of cool to look at at first.
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Old 12-29-2011, 09:49 PM   #3
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They are called asterina stars. I have them too. So far they don't bug my corals but I've heard of people having to remove them because they munch on corals.
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Old 12-29-2011, 09:51 PM   #4
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That's the name! I was leaning towards Astraea, but I knew those were snails...
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Old 12-30-2011, 11:10 AM   #5
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Lucky! Keep em they will clean your tank walls
if they get out of hand get a clown shrimp to eat them.
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Old 12-30-2011, 09:55 PM   #6
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Thank you everyone for the help. I knew this site would be fantastic.
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Old 12-30-2011, 11:40 PM   #7
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This is my favorite hitchhikers guide to saltwater aquariums http://www.chucksaddiction.com/ikers

One thing to remember if you get something to eat a pest that pest could be its only real food on its menu.
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Old 12-31-2011, 11:00 AM   #8
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don't worry about it. they mostly eat algae as stated.
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Old 01-01-2012, 09:27 AM   #9
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Thank you Mr X. Is there any way of telling if my sand sifting starfish is getting enough to eat? I don't know if he eats algae like the little one, but he seems to stay buried under the sand. I would hate for him to be growing hungry.
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Old 01-01-2012, 10:13 AM   #10
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Sand sifters don't do well in closed systems. I've never seen them eat algae. They allegedly eat microfauna in the sand bed and if you have a new tank, it's not going to have any of that. Chances are it's starving to death right now. I have heard some people having luck putting meaty foods in the sand bed, but i've never seen a sand sifting starfish eat a piece of meaty foods.
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