Assertion: octopus's mantle | /r/CapableOf | average 5.5 mm
Facets:
Source sentences:
text: At hatching, the young are 15mm, with arms of 7-9mm and a mantle averaging 5.5 mm.
text: At hatching, they are 15mm, with arms of 7-9mm and a mantle averaging 5.5 mm.