Those are scypha sponges

http://www.habitas.org.uk/marinelife....asp?item=C350

http://images.google.com/images?hl=e...es%20&t ab=wi

--
Boomer

If You See Me Running You Better Catch-Up

Former US Army Bomb Technician (EOD)
Member; IABTI, NATEODA, WEODF, ISEE & IPS

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"Malto" wrote in message
ps.com...
: Hey all,
:
: recently I noticed a bunch of growths on my LR in my 20g reef tank. I
: hunted around online and found a pic that resemble exactly what i have
: on the LR.
:
: http://www.wetwebmedia.com/lrfaq5.htm
:
: unfortunately, this is just a pic with no explanation. They are little
: puffy things with what looks to be a feather-duster like top.
:
: Are these some sort of sponge? More importantly, are these beneficial
: to the reef or shoudl i consider removing them?
:
: any help is appreciated!
: