Assertion: fish's mouth | /r/HasProperty | closed
Facets:
Source sentences:
text: They are marked, depending on the species, with one or several dark, lengthwise stripes and are swift, voracious, salmon-shaped carnivores with daggerlike teeth that protrude when the mouth is closed.
text: When the mouth is closed, the teeth from both jaws fit exactly, comparable to a bear-trap.