There are photos of Grendel (yeah I gave her a name)on my link below. SHe does not do very much but loves to dig tunnels and caves. I think she uses saliva or something to make the sand sticky. She lays on her back with her tail curled under, or flat out on her side. I only saw her strike once and it was so fast, I hardly saw it.
You could actually hear the water move in the tank. Her reach is longer then her body I believe and she does not miss. When she nailed the damsel fish I mentioned, she pretty much slit it's throat area. I don't mind how she looks when she is sitting, but when she goes mobile to swim aroubnd the tank, she looks pretty freaky. Her equipment is so top heavy she struggles a little to keep from sinking in the front. When she climbs up on the blower, I get ready to run out of the room...
I don't know what I would do if she climbed out on me.
At least she stays out in the open for me too see her. I have to say she is the coolest Christmas gift I have ever gotten.