“What do you get if you cross an abbot with a trout?”/“Monkfish.”

A pun on the name “monkfish” is:
 
Q: What do you get if you cross an abbot with a trout?
A: Monkfish.
 
The joke ha been cited in print since at least 2002.
 
   
Wikipedia: Lophius
Members of the genus Lophius, also sometimes called monkfish, fishing-frogs, frog-fish and sea-devils, are well known off the coasts of Europe. To the North Sea fishermen, this fish is known as the “monk,” or “monkfish”, a name which also belongs to Squatina squatina, the angelshark, a type of shark. The north European species is Lophius piscatorius, the Mediterranean species Lophius budegassa.
       
Ceramic Tile Advice Forums
Crooked Backsplash
NeedHelp
06-02-2002, 08:52 PM
(...)
What do you get if you cross an abbot with a trout ?
Monkfish !
 
Online Debate Network
Re; Fish jokes
Snoop
October 26th, 2005, 04:58 AM
(...)
What do you get if you cross an abbot with a trout ?
Monkfish !
 
Google Groups: Palace of Adult Humor
jokes
GenPoo
5/11/07
(...)
What do you get if you cross an abbot with a trout?
Monkfish!
 
Twitter
Fish Chat‏
@Fish_chat
What do you get if you cross an abbot with a trout?...Monkfish
4:19 AM - 4 May 2009
 
Google Books
The Mammoth Book of Really Silly Jokes
Edited by Geoff Tibballs
London, UK: Constable & Robinson Ltd
2011
Pg. 103:
What do you get if you cross an abbot with a salmon?
Monkfish.
 
Twitter
Sarah Liversedge‏
@SarahPug
What do you get if you cross an Abbott with a trout? A monkfish. #fishjokeoftheday
3:19 PM - 2 Nov 2012
   
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
BookBaby
2014
Pg. ?:
What do you get if you cross an abbot with a trout ?Monkfish !
     
YouTube
Ok, here is the joke. What do you get if you cross an abbot wi…
botcaster inc. bot
Published on Jan 22, 2016
What do you get if you cross an abbot with a trout ?
Monkfish !
 
Twitter
Ronelle Roberts‏
@RonelleRoberts
#HappyFriday #98Fish
What do you get if you cross an abbot with a trout?...
Monkfish!
7:00 PM - 4 Aug 2016