A surprised fisher dude flabbergasted at the size of his catch. Tongue in cheek. Double entendre est possible.
Below, the same tessellation zoomed-out.
This artwork is available as a framed art print at society6.com/feene
2018-10-02: I’ve since modified the colours for this tessellation, just a little bit of help on my part for you to figure it all out!

Have You Seen the Size of His Crabs? Variation on the theme, ©2018 F.Champagne