Octopuses are a well-loved creature in the Phylum Mollusca, Class Cephalopoda. These are some of the most intelligent invertebrates on the planet, capable of solving puzzles, using tools, and creating mental maps their environments. This diagram shows the diversity of forms and patterns that octopuses exhibit. Clockwise from upper left: common octopus (Octopus vulgaris), blue-ringed octopus (Hapalochlaena lunulata), giant Pacific octopus (Enteroctopus dofleini), ornate night octopus (Callistoctopus ornatus), and mimic octopus (Thaumoctopus mimicus).

Illustration created for publication in The Ocean’s Menagerie (2025) by Drew Harvell.

11x17” and 6×9” prints ship flat in a sturdy photo mailer.