Isaak does not usually fish for the invasive Asian Carp, which have populated Illinois waterways to the point where they literally jump out of the water.
VOA: standard.2010.07.19
That probably comes as no consolation to your children if their guppies jump out of their fish bowl.
The popular pet fish can jump up to eight times their body length, at speeds of more than 4 feet per second, according to a recently published research paper in the online peer-reviewed journal PLOS One.