They are jokingly referred to here as "Trammelant", Dutch for "big trouble" fish in a barrel wordplay. Come to think of it, don't believe I've ever heard anyone

They are jokingly referred to here as "Trammelant", Dutch for "big trouble" fish in a barrel wordplay. Come to think of it, don't believe I've ever heard anyone use their proper name! A neighbour used to own one as a hobby car. Those things are loud!