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Seriak

05-03-2012 03:39 PM

ID: Needed.

Is this some type of sponge? No not the zoas. The little ball with all the little arms. It's half black and half white.

https://lh4.googleusercontent.com/-q...430_183011.jpg

fishytime

05-03-2012 04:12 PM

Hydroids?

Seriak

05-03-2012 04:24 PM

Quote:

Originally Posted by fishytime (Post 712956)

Hydroids?

No, I have been tested. :)

Leah	05-03-2012 05:05 PM

Quote:

Originally Posted by Seriak (Post 712962)

No, I have been tested. :)

Who was the lucky tester? :bump2:

canadianbudz604

05-04-2012 01:24 AM

are those hydroids?

i got a blue ball very similar to that in my tank as well. when i looked at pics of hydroids they dont look the same...

MrGoodbytes

05-04-2012 03:21 AM

I can't say for sure from the pic but it sort of reminds me of a kind of cyanobaterium: like cotton candy algae. Have you touched or poked it? Is it spongey or hard or loosely intertwined? If there are polyps that retract, then it's hydroids but it seems weird for them to grow in a ball like that.

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