I have dreams of fish and fishtanks all the time.
The most common is I forget a have some tanks with fish in them but they are still alive even though I haven't feed them in awhile.
Funny to see this thread. There has been twice in my life that I have "woken up" in a dream. You know what I mean, you realize you are dreaming and then you can pretty much control the dream to an extent. Well in this instance I walked into a room and see a fish tank full of fish I forgot about. I freaked out, thinking what the hell I forgot I had this tank and I never feed these fish, then I look at the fish and spot some motoro stingrays. And then I think to myself, wait a minute, I don't own motoro stingrays, I actually quite dislike them, sick this is a dream! To test my theory I tell myself I want to go fishing, sure enough I somehow get outside to a nice river all to myself and somehow have my fishing gear on me. I'm like hell ya I know exactly what I am doing, Halle Berry and Cameron Diaz in a hot tub, o'natural, lets go..... just as I am somehow getting this to happen (best way I can describe it, sort of transitions from one scene to another) my flipping dog barks, 3:00 a.m. for no reason and wakes me up. I have never been so mad at my dog in my life. True story, I swear on anything, not a word of what I wrote is made up.
Other than that I dream of my tank the odd time but it is nowhere near the major focal point. That was the second time I "woke up" in a dream, the first one I wasn't able to control it so well and also just randomly woke up after not too long. Honestly can't wait till it happens again, this time forget the fishing scene...
Just funny that it was my fish tank that made me realize, wonder what that means...