"Yes, they're complete bastards." He just sounds annoyed, which is likely too petty an emotion to be appropriate, given context, but if any of them expected their fellow travelers to be sane or 'normal' - particularly the man whose idea this whole damn thing was - then there are some deluded minds, present.

Something slithers at them and he swings low, splitting it in two horizontally. Thick red blood pours out and it squeal-gurgles in death, the stench of it bleeding through even the saltwater. The ship lurches again, and he grabs the railing with his off hand. "They're probably nearly sentient."