Those Teeth!

Then the Green Moray opened its mouth wide.

Blu could see rows of sharp teeth, and for a moment he wondered if the eel was angry.

But the moray wasn’t chasing him or rushing forward. It simply opened and closed its mouth again.

Blu learned that morays do this to move water across their gills so they can breathe.

“Those teeth look scary,” Blu thought, “but now I understand you're just breathing.”