Assertion: crabeater seal's prey | /r/AtLocation | the mouth
Facets:
Source sentences:
text: While some food piercing by the postcanines is inevitable when prey is captured and held in the mouth (as possibly indicated by the presence of fractured postcanines in 6 of the specimens examined), the discrepancy in the presence of abrasive wear on the rostral and postcanine teeth supports the hypothesis that these two sets of teeth were performing different primary functions during wild feeding; canines and incisors being used for piercing, and postcanines being used for sieving.