Where's Wanda?

Shortly after rousing myself out of bed this morning I went to offer fishy friends some sustenance only to find that my plural fish now seemed to be singular. To be sure that this wasn't merely a grammatical and visual error on my part I spent the better half of 5 minutes watching, tapping and prodding the tank and its environs for my frilly friend. I came up one fish short.

Bob has been acting strange lately. He's taken to swimming up and down (vertically) the walls of the tank at such an accelerated speed I am worried he might be preparing for a bit-part in "Free Willy 7". Or... perhaps the recent jolt of extra protein in his diet has prompted him to do strange things...?

Should I even begin to thing that Bob ate Wanda? He always seemed like such a docile goldfish. Could he possibly be the perpetrator of this fish-napping?

I'm still waiting to find a stinky fish carcass somewhere on my floor indicating Wanda's failed attempts at fishy fame, but until that time I'm going to be keeping a close eye on "Bob", if that is, in fact, his real name...