Check out these animal behavior images:
Mimic Octopus
Image by PacificKlaus
Thaumoctopus mimicus. Doing a "flounder".
This rare and unusual cephalopod has the talent to mimic dangerous marine life, and scare of would-be predators in this way. It lives in muddy and sandy areas of tropical oceans.
n114_w1150
Image by BioDivLibrary
The wild beasts of the world. v.1.
London :T. C. & E. C. Jack,[1909?]
biodiversitylibrary.org/page/19058622