goofy sponge growth...

[kengeroo]

what's with this finger like growth from this sponge...


http://i967.photobucket.com/albums/ae153/kengyusim/2014-07-10183402_zps812a351d.jpg (http://s967.photobucket.com/user/kengyusim/media/2014-07-10183402_zps812a351d.jpg.html)

... most likely from the current that exists in my tank ...

anyone experience this and what is the long term end result ??

[Madreefer]

One of my clients has exact same sponge. Cool and creepy looking. But his grows straight up.
And it's not a bad thing, leave alone.