USS Wolffish (SS-434) was a proposed United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 Balao-class submarine

Balao class submarine

The Balao class was a successful design of United States Navy submarine used during World War II, and with 122 units built, the largest class of submarines in the United States Navy. An improvement on the earlier Gato class, the boats had slight internal differences...

. She has been the only U.S. Navy ship named for the wolffish (any of several large marine blennies, with strong teeth and great ferocity), although several U.S. Navy ships have been named for the seawolf

Seawolf (fish)

The Atlantic wolffish , also known as the Seawolf, Atlantic catfish, ocean catfish, wolf eel , or sea cat, is a marine fish, the largest of the wolffish family Anarhichadidae. They are commonly sighted throughout Asia...

, which is another name for the same fish.

Wolffishs construction by the Cramp Shipbuilding Company of Philadelphia

Philadelphia, Pennsylvania

Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, was authorized but the contract for her construction was cancelled on 29 July 1944.