His eyes widen. Then he bursts out laughing.

"Really? That's how the flying fish came about? Hahaha!"

In his old world, all creatures came about due to evolution and natural selection. In his current world, the spoken races all descended from the gods. And in Erichthonios' world, apparently his people simply...made creatures appear.

"So it actually flew? The flying fish I'm familiar with just skip over the water's surface as if they're flying. They don't actually take flight."