This is some good snake-handling and appreciation. It's moments like these that really make Laios feel good about teaching instead of holing up in an isolated cabin with a bunch of test subjects. Sharing knowledge with others is the way to go!

"Slimy? Frogs have a slime coating, because they're so delicate. But snakes have built-in armor to protect them. They're both cold-blooded ambush predators, though! I've heard they taste the same, but as a full vampire, I can't confirm that for certain."

He has his theories on what this particular breed of snake might taste like but if he starts on that topic it will make him melancholy.