An Alcoholic Cod

"During Prohibition, fishermen, like everyone else, had to find ways to supplement their meager income. One way for a lobsterman to do so was to turn to a bit of low-level rum-running. The lobsterman would place orders in notes in his traps and then retrieve the traps a day or two later. In them he found, in place of the notes, peculiar lobsters... in the shape of bottles of booze...

Atlantic Cod (From: Wikipedia)

In July 1929 three Isleboro [Maine] fisherman, in outer Penobscot Bay, pulled in a seventy-pound cod. When dressing it, they found a sealed full-size bottle of bootleg whiskey in its gut. Cod are notorious for swallowing anything within reach--and this bottle, no doubt, was pitched overboard by a rumrunner being pursued, perhaps even a rum-running lobsterman." (230) --Matthew P. Mayo, Bootleggers, Lobstermen & Lumberjacks: Fifty of the Grittiest Moments in the History of Hardscrabble New England