Capt. Jeff Patrick caught this strange and mysterious fish from a depth of about 150 feet during a day rockfishing trip.
The opah was caught during the night when took a sardine and was initially thought to be a thresher shark.
Opah catches are extremely unusual. They're caught incidentally by longliners in tropical and temperate seas around the world.
You can see more images and information about opah at Big Fishes of the Wolrd