The Chenjesu Broodhome main weapon fires crystals that keep traveling until you lift the fire button, when they explode into many small fragments.  

It's special weapon launches DOGIs that seek the Chenjesu's target and drain their battery.  

Chenjesu are a crystaline life form.  

In Star Control 2, the Chenjesu were imprisoned on their homeworld with the Mmrnmhrmm before the game started, slowly transforming into Chmmr.  

