View Full Version : What on earth is this thing? Algae?!?
jimxms
01/22/2014, 12:27 PM
http://i1.imgrr.com/vw/5555_photo_thb.JPG (http://imgrr.com/view/vw/5555_photo.JPG)
Sorry about the quality of the picture. The 'thing' in question came attached to some live rock. It is a white blob which looks almost like a large clump of glue. It has never moved position, but its single 'tentacle' is growing in lengh at a fairly rapid rate.
auburnreefer110
01/22/2014, 12:29 PM
looks like sponge
AZBigJohn
01/22/2014, 12:30 PM
The tentacle throws me off. I am inclined to think sponge but I've never heard of one with a tentacle..
disc1
01/22/2014, 01:05 PM
Any chance of getting a picture under the white lights instead of just the blues?
it's sponge. definitely. i see that variety quite often in tanks-you'll get them branching up like that all the way to the water's surface.
while the growth is tentacle shaped, it's not a 'tentacle' like a coral's or anemone's tentacle is a 'tentacle'.
cut off a piece and you'll see ;)
jimxms
01/22/2014, 02:03 PM
it's sponge. definitely. i see that variety quite often in tanks-you'll get them branching up like that all the way to the water's surface.
while the growth is tentacle shaped, it's not a 'tentacle' like a coral's or anemone's tentacle is a 'tentacle'.
cut off a piece and you'll see ;)
Cool thanks, so totally harmless and I can happily trim it back then?
While I'm here, can I maybe also gt an ID for something a bit easier. I guess its some form of algae but it forms in a cool 'DNA'-like pattern and is a piece of cake to remove.
http://i1.imgrr.com/vw/1253_photo_thb.JPG (http://imgrr.com/view/vw/1253_photo.JPG)
yeah that's a macroalgae-i forget the common name atm-it can break off and spread like wildfire everywhere-i'd remove it. it'll form bushy clumps that look like small branching flattened antlers. not too bad looking, but easily gets out of hand if your nutrient level is adequate.
i think it might be codium
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