Interesting, I'd never heard of a Tule Perch until you mentioned it. I was going to guess Sacramento Perch but the fish above doesn't quite look like a Sacramento Perch (the pronounced bump between the head and the dorsal fin).

JHAP
~~~~~~~~~~
"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)