"...Eehheh. I guess I'm pretty good at spotting things."

He'll conveniently leave out that his perception is that many times over a human--so much so that a lot of motions others make are nearly slow-motion in his perspective.

He's gonna gently put the annoyed crab back down in the water--watching it scuttle away under the waves...

"Maybe I should try to find a nice seashell to bring back to Kni."