id please.

[waymack97]

what is this white tube looking stuff on my rocks. nothing comes out of the tubes. sorry about the pic camera sucks.
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Paintball marker

 

[Anonymous]

Phylum: Porifera (sponge)
Family: Leucosolenidae
Order: Leucosolenida
Genus: Leucosolenia

Harmless filter feeders.

Regards,
David Mohr

 

[waymack97]

thanks mr. mohr.
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Brazilian Forum

 

[cyro]

why the sponges are appears? what they like?

 

[ReefsterMan]

i think thats what i was asking about are some of them blackish and white. and not attatched to anything? they are showing up all over my rock as well