YOU SAID:
The fisherman died from fishing in an ocean with fishes
INTO JAPANESE
漁師は魚と一緒に海での釣りで亡くなりました
BACK INTO ENGLISH
The fisherman died in the sea fishing with the fish
INTO JAPANESE
漁師は魚と一緒に海釣りで亡くなりました
BACK INTO ENGLISH
The fisherman died in the sea fishing with the fish
That didn't even make that much sense in English.