Fish Missing

Just noticed one of my fish is missing out of my pond. Yikes! Got it almost two years ago on my birthday :(
Now that I think about it I cannot exactly recall the last time I saw it there. Have my hand in there at least once a day and I am just noticing now?! What's up with that.
Going to check the bottom and make sure it is not dead somewhere but water is super clear and not looking like it.
That leaves gone as in physically not there. Pretty sure it didn't get out and walk away so that pretty much leaves a predator.
Red tailed hawk? Raccoon? Stray cat?? Hmmm...