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Old 08-21-2011, 06:01 PM   #1
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Starfish Takeover

Okay, so I've had my tank for about a eight months now and I bought it from a guy who had it up and running for about a year and a half. At first I found a few of these "hitchhikers" on the live rock and thought nothing of it because they were so tiny. However, now they're covering the bank of my tank and they're getting bigger. They're also on my live rock. I'm assuming this is why I haven't had much coraline algae growth on the back glass. What can I do to get rid of these things!?
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Old 08-21-2011, 06:04 PM   #2
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pic

here's a pic of it. sorry forgot to put it on the first one.
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Old 08-21-2011, 06:12 PM   #3
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They aren't very symmetrical. And the biggest one if maybe a little less than a half inch.
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Old 08-22-2011, 05:31 AM   #4
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They are Asternia star fish. they are small starfish but they can be a pain in the numbers you have. They multiply fast and will have your system overrun in no time. I believe that there are different kinds of asternia, some live mainly on glass and some on the rock - they will suck the life out of some corals and will often live on zoa's and eat coraline algae. A harlequin shrimp should be effective in greatly reducing the number you have. Some people even by Asternia as a food source for them.
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Old 08-22-2011, 11:39 AM   #5
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I never thought of that! Thank so much for the tip!
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Old 08-22-2011, 11:43 AM   #6
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Too bad they're troublesome, they are definitely cute little buggers.....
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Old 08-22-2011, 06:11 PM   #7
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Originally Posted by TheTrav13
I never thought of that! Thank so much for the tip!
What is your calcium level at?
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Old 08-22-2011, 06:35 PM   #8
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I have many in my tank and they are no trouble at all. They have never messed with my corals. Keep your left over food in check.
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Old 08-22-2011, 06:48 PM   #9
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I have many in my tank and they are no trouble at all. They have never messed with my corals. Keep your left over food in check.
I agree,never had problems with them.I did notice that if My calcium level got higher than normal my population seemed to increase.
Maybe my imagination.
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Old 08-23-2011, 04:03 AM   #10
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I understood that only a few members of this family actually hurt corals, most of them are actually good cleaners. But they reproduce very quickly, so I fish out whatever I see and give them to a friend who has couple of starfish eating shrimps
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