ID This?

[NaCl_H2O]

I have a few patches of this stuff in my tanks. Seems to be fairly slow growing, in clumps ranging from about a dime to quarter sizes. Could be a coralin algae of some type?

Not the best picture ... can anyone identify it?

[NaCl_H2O]

Sorry - the dark "branchy" stuff in the center of the pic.

[MikeDeL]

Does it kind of look like burgendy velcro (fuzzy side)?

[NaCl_H2O]

Does it kind of look like burgendy velcro (fuzzy side)?

No, it is more "Branchy" than velcro, like a maze of little pipes? It is soft to the touch (not stoney), and small pieces are easily torn free.

[MikeDeL]

I have this in my tank. Grows slow looks kind of like the samething to me. Dont know what it is.

[Ram_Puppy]

looks like some form of macro to me.

[DeletedAccount]

Does it feel like a plant or a sponge?

[don-n-sa]

Hmmm...does it Itch? :-D

[DeletedAccount]

I cannot see his picture well, but I have two totally different things that look like that. One is a tube like sponge that turns black upon exposure to light. It grows in tube-y tendrils.

The other is a very hard, scratchey macro algae that I hate and nothing will eat.

[MikeDeL]

Mine feels course, but its not hard. It feels kinda like the fuzzy side of velcro.

[NaCl_H2O]

One is a tube like sponge that turns black upon exposure to light. It grows in tube-y tendrils.

That sounds like it, haven't noticed if it turns dark only in light ... never thought about it being a sponge??

[GaryP]

Just a guess, but I'm thinking it could be Bryozoans or sponge. We'll wait for Larry to jump up.

Gary