haha.....jumping in here
I had an experience like that......
I had just bought a good sized goby.....put him in the tank....
He was only there 10 minutes and out of no where comes my
Niger Trigger and snatches him up in the middle of his body....
I'm standing at my tank yelling "LET HIM GO.....LET HIM GO"
Finally I got my cleaner stick and tapped the trigger to get him to let go
He did and the goby was alive.....but passed through on in the night.
I had paid $25 for him.....I liked to died right there.
Well, now my tank has no goby and no trigger.

I'm sorry that happened to you....but I'm glad to know these things don't happen to me only.
Thanks......I'm learning from my mistakes!