Dictionary of Ichthyology  

Miraculous Draught of Fishes = one of two miracles by Jesus Christ
where the Apostles are unsuccessfully fishing in the Sea of Galilee and are urged by Jesus to try one more cast of the net. A large draught (haul or weight) of fish results.

Fresco by Raphael, 1515, fom Wikimedia Commons: http://en.wikipedia.org/wiki/File:V%26A_-_Raphael,_The_Miraculous_Draught_of_Fishes_(1515).jpg

Canadian Museum of Nature