Assertion: male octopus | /r/CapableOf | display several large suckers
Facets:
value: on the underside of their tentacles
type: LOCATION
value: to identify themselves
type: PURPOSE
Source sentences:
text: Male common octopuses (Octopus Vulgaris), for instance, are known to rear up and display several large suckers on the underside of their tentacles to identify themselves as male, but only if approaching a larger female, which may decide to attack and eat them.