From Practical Fishkeeping Magazine.
"19 terrifying incidents involving fish26 dead, 297 injured and two left traumatised. Matt Clarke takes a look at 19 painful incidents involving fish from the depths of the news archives..."
"We've scoured the Practical Fishkeeping news archives to dredge up some of the weird and terrifying incidents involving fish that we've covered in the past few years..."
And going through the list, none of the incidents involved sharks.