I would think that pond is a little small for a catfish, plus, aren't then a no-no in CA?
We can have Channel Cat, Blue Cat and Bullheads in California. I don't know about any other species.
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)