Star Trek: Titan #3: Orion's Hounds

As the U. S. S. Titan ventures beyond the outermost reaches of known space, the telepaths in her crew—including Diplomatic Officer Donna Troi—are overwhelmed by an alien cry of distress, leading the ship to the scene of a shocking act of carnage: a civilazation of insterstellar “whalers” preying upon and exploiting a familiar species of sentient spacebource giants. Appalled but reluctant to rush to judgement, Captain William Riker and his crew in investigate, discovering a cosmic spawning ground