What's this?

[Zeus]

Hi all,

What this wee spikey thingy in the middle of the pic?

It's actually white and there a few of them in the tank.

http://i37.photobucket.com/albums/e83/Krylexian/P1100135.jpg


http://i37.photobucket.com/albums/e83/Krylexian/spikey.jpg
Cheers,
Campbell

[Kev]

lost on this one, but the colour of the lr is superb! Is it some kind of sponge I wonder?