HMS Sturgeon explained

Three ships of the Royal Navy have borne the name HMS Sturgeon, after the Sturgeon, a freshwater fish:

• was an destroyer of the subgroup launched in 1894 and sold in 1910.
• was an destroyer launched in 1917 and sold in 1926.
• was an S-class submarine launched in 1932. She was transferred to the Royal Netherlands Navy between 1943 and 1945, when she was renamed Zeehond. She was broken up in 1946.