Looks like the chara from my pond, but mine is a bit darker. As has been stated already, it's really not all that bad of a plant, though I've got a lot in my small pond, probably because it's so shallow, and would like to eliminate some. I, too, have noticed lots of small fish hanging out in it.

Todd La Neve

[Linked Image from i108.photobucket.com]
Click Here to Subscribe to Pond Boss Magazine

1.5 & .5 ac ponds - LMB, BG, RES, YP, GC, HSB