Piscon

 were related to the Pescaton

Biology
They resembled angelfish with deep black strips over their heads and fins.

History
The sun of Piscos exploded turning the Piscon home world into a dessert world. They went round the universe finding sources of waters, mostly from uninhabited worlds, but some such as Zarl took it from inhabited worlds, like the Earth. (AUDIO: Peri and the Piscon Paradox)