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Old 10-17-2015, 07:40 PM
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Default Algae ID Pls!

I found this Algae starting to grow recently in my tank. I cant find a definite ID on it. Its probably harmless but I would love to know what it is! Its texture is soft, slippery and very rubbery.

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Old 10-17-2015, 09:13 PM
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Looks like plating coraline
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Old 10-18-2015, 01:59 AM
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Looks like something from the Peyssonnelia sp family.
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Old 10-18-2015, 04:34 AM
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http://www.reefkeeping.com/issues/2002-02/hcj/feature/
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Old 10-18-2015, 04:55 AM
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Thx for the replies guys! Plating algae is hard, this stuff is soft and rubbery. Its "leaves are flat" so it wont be bubble algae either. I had a fella pm suggesting its lobophora, something I'm gonna have to contain before its an issue. Link below shows a couple examples in the last row of pics. They can vary in color even though they are considered brown algae.

http://www.wetwebmedia.com/trialalgaeid.htm
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Old 10-18-2015, 01:42 PM
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This belongs to a type of red algae known as Meristotheca sp. early stage contains beautiful bright red with light orange/gold mesh like pattern when take a closely look. It will change to a darker or deep red color when getting bigger depends on the water condition in the system. A nice decorative algae in reef system unfortunately can be eaten by tangs and rabbit fish. Trimming is required when growing big for it can reach over 8" x 8" easily & blocking the light and killing the photosynthesis coral underneath. HTH
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