An axolotl (ax-a-lot-l) is a creature with big frilly gills like a lion’s mane, tiny eyes with no eyelids and a mouth in the shape of a smile. They come in lots of colors: pink, black, golden or gray.

Add Yahoo as a preferred source to see more of our stories on Google. If you've seen one of those pink smiling salamanders that look like a Pokémon, you might've been tempted to think: "I gotta catch ...