Aqua-Dalek
From Tardis Wiki, the free Doctor Who reference
Aqua-Daleks were Daleks who participated in battles in the sea and elsewhere under the water with their version of Hoverbout.
Characteristics
Aqua-Dalek units were basics bronze Daleks which operated aquatic vehicles similar to hoverbouts. (COMIC: The Dalek Project)
History
The Black Dalek on Survey Ship Sigma sent forth a trio of Aqua-Dalek units to attack a submarine used by the Eleventh Doctor, Edward Anderson and Lord Hellcombe. They they inflicted some damage upon the submarine, its occupants successfully vacated the craft as it surfaced. (COMIC: The Dalek Project)