Glacius bristles when he sees the telltale signs of Carlisle's embarrassment and, wanting instinctively to be there for his partner, he starts to form the rest his body from the waves. He only catches himself once his arching neck and a decently lengthy portion of his serpentine body have risen up from the waves, and there he stops again, the muscles of his ice-coated coils tense.

... Well, there's no way he's not getting noticed now. He should probably say something so that this new face doesn't get alarmed and either run or try to attack him on the spot. The notion that it's still a possibility makes it hard for the alien to be as cordial as he'd like.

"Pardon my interruption, but I saw you talking to my partner and wanted to be sure that nothing was amiss," Glacius begins. Then he eyes Ignis again, apparently thinking. "Though I cannot help but feel like something about you is somehow... familiar."

Was it around the Guard that he's seen this human before? He remembers Kate mentioning something about that too, but his own involvement with that organization has become less and less routine as his personal life takes up more of his time—and energy. Perhaps Ignis will find the icy form of the alien addressing him easier to place, though Glacius' tendency to wear a partial set of armor while on the job to cover his face—the gnarling scar consuming the right side of it specifically—likely does no favors in that regard.