Common American Octopus

The common American octopus (Octopus americanus (prev. O. vulgaris)) is a cryptic member of the Octopus vulgaris species complex (Avendaño et al., 2020). This species is medium to large in size (ML 80–132 mm), and muscular with a broad, oval mantle and short, more robust arms (4–5 times mantle length) and prefers rocky substrate and sheltered dens.