help indentifying fungus/shrub ?

[Myka]

That stuff is awful. I've had some in my tank here and there...a pain in the butt to eradicate. Pull out as much as you can, and make sure you catch all the little broken bits.

[reeferfulton]

wow , thanks for all the input , ill try a sea hare i guess , ( first i gotta google that lol )


thanks

.. googled it , and came up with giant sea slugs ?

... hmm