Could use some sounds...
But other than that, your animation style is too cute. I like the way you drew the kitty. KAWAII! And the "catfish" crosses at the end were so unrealistic they were almost funny. (That's not what a real catfish looks like!) Yes, I know it's physically impossible for a cat and a fish to interbreed, but you made it look possible, in a cartoony way.
Needs music bad
This needs some sort of music really bad a chase music would be alright Humor 3 and it grew boring really fast. I stoped watching at the begining of the cat trying to catch the fish good effort though really needs music.
good work
great attention to detail and such...dunno if my speakers went out or not but i couldnt hear any audio....remember that audio is have of every flash...it sets mood :D