Mystery from below

[dsaundry]

Ok, I am looking through my tank last night and I see what appears to be a sausage-like casing with 2 antenna sticking out of it.{will try to get pics later} There is no creature in it but initially I am thinking Bristleworm? I don't see any other issues with corals or fish so I am thinking all ok for the most part. I am checking my e-mails and I hear three small snap sounds. I then think Pistol Shrimp?? But I do have a Pistol in my small tank at work and these insect shaped casings are far bigger than my little guy at work. The other thing I don't see is mounds of sand moved around as my Pistol at work does. Any suggestions and although I don't see any damage to corals or lifestock am I playing with fire? Has anybody else seen these things in their tank? As I said I will try to get pic's this evening when I get home.

[Whatigot]

peanut worm?
pretty common but often unseen hitchiker?

[dsaundry]

Ok, Here are the best pic's can get.
http://i263.photobucket.com/albums/ii140/dsaundry/100_1478.jpg
http://i263.photobucket.com/albums/ii140/dsaundry/100_1479.jpg

[langdon reefer]

SOME type of sponge...lol not sure some of it grows on my rock that look like that :redface:

[justinl]

yeah it looks like sponge to me too. the antenna looking growths are a bit weird though. then again, sponge can take on some pretty wacky forms. when you touch it, can it retract at all? does it react to any nervous stimulus?

[Starry]

nudi of some kind?

[bv_reefer]

i have one at the back of my tank i believe, never gave it much thought, always assumed it to be a wierd sponge? the antennas really throw me off though, mine looks identical minus antennas ..poke it :wink:

[langdon reefer]

Mine have the atena and when thy touch another piece of rock it expands again in to a sponge...lol :lol:
guess its one way to move around the tank or spread would be easyer to shoot off long atena till tou touch something worth growing on

[dsaundry]

It sure looks strange though. I was looking through my tank for some type of a creature that I was never able to find. Had visions of something taking a nasty bite out of me.:biggrin:

[langdon reefer]

BETTER SAFE THEN SORRY:razz: