Illuxanxece

Ill-oo-x-on-ease. A species of humanoid celestial beings that glow, are the color of blue poison dart frogs, have black gradient arms and legs, and usually consist of a diet of humans. Despite this, they can switch over to just eating plants and other non-meats. They rarely speak or write in any human language. They live in aquatic ecosystems and can swim very well.

Person A: “What is that species?”
Person B: “An Illuxanxece.”