I used to have two Arowana about 15 years ago, they were fascinating fish. Then one day I got up in the morning and they were just… gone. Tank was well sealed,

I used to have two Arowana about 15 years ago, they were fascinating fish. Then one day I got up in the morning and they were just… gone. Tank was well sealed, nothing in there big enough to eat one let alone both of them, and I checked everywhere… one of the unsolved mysteries in my life is where they went.