HMS Hydra

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Eight ships of the Royal Navy have been named HMS Hydra after the hydra of Greek mythology. The ship's badge is a representation of the hydra as a serpent with seven heads [1] The ship's motto was Ut Herculis Perseverantia (Latin: "Like Hercules Persevere").


  • HMS Hydra (1838) - a wooden steam paddle sloop launched in July 1838 at Chatham Dockyard. 818 tons and 6 guns. As HM Survey Vessel Hydra surveyed for the Admiralty until paid off in 1868 and was sold in 1870.
  • HMS Hydra (1871) - a Cyclops class turret ship launched on 28 December 1871 at the Elder yard in Govan. 3,480 tons displacement, she was heavily armoured and carried four 10-inch 18-ton guns and a complement of 190 men. Sold on 7 July 1903 and broken up in Genoa. See photograph at [2].

The name has been awarded seven Battle Honours:

[edit] Commanding Officers since 1778

An incomplete list. Surnames in bold (years of birth and death, where known, in brackets) with dates in command

† Author of A Sounding Voyage of HMS Hydra (1868), in eight volumes, he retired as a Captain RN in 1870 and then qualified as a barrister, being called to the bar in 1873; he practised in the Admiralty court. He was subsequently promoted on the retired list to Rear-Admiral in 1876 and Vice-Admiral in 1881. See entry in the Oxford Dictionary of National Biography [7]