Assertion: bluefin tuna's water | /r/HasProperty | 50 m
Facets:
Source sentences:
text: During the day they migrate through depths between 150–600 m (490–1,970 ft), but at night they stay in waters that are 50 m (160 ft) or less in depth.
text: During the day they migrate through depths between 150–600 m (490–1,970 ft), but at night they stay in waters that are 50 m (160 ft) or less in depth.