Hath
From Tardis Wiki, the free Doctor Who reference
Template:Pre-broadcast spoiler
Russell T Davies said that they would be the main monster for the episode The Doctor's Daughter
Myths and rumours
It is rumoured the Hath are red bubbles that communicate through expanding and letting out smaller bubbles. It is also rumoured one of them will kill Jenny at the end of the episode. Doctor Who Magazine 395 reveals that the Hath do communicate through bubbles but are humanoid fish.
continuity
In the comentary for the last of the time lords David tenant jokes on having an enemy that will be a ball on a stick this enemy may be like that!
