Spliffstar Posted February 17, 2006 Share Posted February 17, 2006 ok, cycling my first reef and noticed there is a weird creature living in a small rock in my tank. it is wedged into a crevice in a rock like it is part of the rock. swear to god its got teeth. an upper and lower row. it can actually open and close the crevise a bit. i dont know if it is capable of leaving the rock or not. this then looks freaky. ill be honest, im scared to sleep at night in fear that its going to get out of the tank and eat me. so what is this thing? is it dangerous to other tank inhabitants. i cant beleave it has teeth. main question is, should i get rid of it? here is a bad pic, but u can get an idea. u cant see the teeth, but trust me, they're in there. thanks... rock1.bmp Link to comment
samstersam Posted February 17, 2006 Share Posted February 17, 2006 my friend had something similar. It ended up being some kind of mollusk type of creature. What we thought were "teeth" were just undulations in the inner part of the shell. Link to comment
The nano Lance Posted February 17, 2006 Share Posted February 17, 2006 Why do you think it is called "live rock"? Link to comment
drg0nzo1 Posted February 17, 2006 Share Posted February 17, 2006 Pic isn't too clear....but it looks like some type of oyster, muscle or something of the like. I have a little oyster type thing that has been on my rocks for over a year now...havn't grown much in that time, but i think its still alive. Link to comment
RayWhisperer Posted February 18, 2006 Share Posted February 18, 2006 Welcome to N-R.com. It looks like an Oyster, it's just a filter feeder. I have several diff types of mollusks in my LR and ciral frags. Link to comment
Six Posted February 19, 2006 Share Posted February 19, 2006 doesnt look alive anymore. probably some type of mollusk at one point Link to comment
c est ma Posted February 19, 2006 Share Posted February 19, 2006 I have some bivalve that doesn't look "toothy," just like a gray stripe in the live rock. If it didn't open and close (tight, so that the gray completely disappears) I wouldn't even know it was there. But since I've discovered it, I think it's a cool hitch hiker: --Diane Link to comment
Gili Posted February 20, 2006 Share Posted February 20, 2006 I have some bivalve that doesn't look "toothy," just like a gray stripe in the live rock. If it didn't open and close (tight, so that the gray completely disappears) I wouldn't even know it was there. But since I've discovered it, I think it's a cool hitch hiker: --Diane Sounds like a Bivalve - Good filter feeders - Some have a crenulated shell for water flow movement and shell alignment, some have several interior and exterior muscles and smooth shells, some bore into rock/wood, some are sessile/fixed some are pelagic - blah blah blah - I had to learn all about bivalves in palaeontology class - they are a fascinating species. Link to comment
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