A water inhabiting creature that lives in the oceans and rivers of Doegum. They are derogatively referred to as Gills, and have traditionally had a poor relationship with the Terrans. They have the power to control the tides.
See AlsoWater Flora And Fauna, Hydran Life Cycle, Hydran Religion.
The hydran below has not yet matured to the point where her antennae recede and her arms grow and her feet separate.